Vulnerability-Lookup

CVE-2022-24795 (GCVE-0-2022-24795)

Vulnerability from cvelistv5 – Published: 2022-04-05 00:00 – Updated: 2025-04-22 18:17

Title

Buffer Overflow and Integer Overflow in yajl-ruby

Summary

yajl-ruby is a C binding to the YAJL JSON parsing and generation library. The 1.x branch and the 2.x branch of `yajl` contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs. The reallocation logic at `yajl_buf.c#L64` may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf->alloc into a small heap chunk. These integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer. Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption. This vulnerability mostly impacts process availability. Maintainers believe exploitation for arbitrary code execution is unlikely. A patch is available and anticipated to be part of yajl-ruby version 1.4.2. As a workaround, avoid passing large inputs to YAJL.

Severity ?

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-122 - Heap-based Buffer Overflow
CWE-190 - Integer Overflow or Wraparound

Assigner

GitHub_M

References

URL

	Vendor	Product	Version
	brianmario	yajl-ruby	Affected: <= 1.4.1

cve-2022-24795

Vulnerability from osv_almalinux

Published

2022-11-15 00:00

Modified

2022-11-18 15:48

Summary

Moderate: yajl security update

Details

Yet Another JSON Library (YAJL) is a small event-driven (SAX-style) JSON parser written in ANSI C, and a small validating JSON generator.

Security Fix(es):

yajl: heap-based buffer overflow when handling large inputs due to an integer overflow (CVE-2022-24795)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "yajl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0-21.el9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "yajl-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0-21.el9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Yet Another JSON Library (YAJL) is a small event-driven (SAX-style) JSON parser written in ANSI C, and a small validating JSON generator.\n\nSecurity Fix(es):\n\n* yajl: heap-based buffer overflow when handling large inputs due to an integer overflow (CVE-2022-24795)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
  "id": "ALSA-2022:8252",
  "modified": "2022-11-18T15:48:03Z",
  "published": "2022-11-15T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2022:8252"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2022-24795"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2072912"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2022-8252.html"
    }
  ],
  "related": [
    "CVE-2022-24795"
  ],
  "summary": "Moderate: yajl security update"
}

cve-2022-24795

Vulnerability from osv_almalinux

Published

2022-11-08 00:00

Modified

2022-11-14 18:08

Summary

Moderate: yajl security update

Details

Yet Another JSON Library (YAJL) is a small event-driven (SAX-style) JSON parser written in ANSI C and a small validating JSON generator.

Security Fix(es):

yajl: heap-based buffer overflow when handling large inputs due to an integer overflow (CVE-2022-24795)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "yajl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0-11.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "yajl-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0-11.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Yet Another JSON Library (YAJL) is a small event-driven (SAX-style) JSON parser written in ANSI C and a small validating JSON generator.\n\nSecurity Fix(es):\n\n* yajl: heap-based buffer overflow when handling large inputs due to an integer overflow (CVE-2022-24795)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
  "id": "ALSA-2022:7524",
  "modified": "2022-11-14T18:08:43Z",
  "published": "2022-11-08T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2022:7524"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2022-24795"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2072912"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2022-7524.html"
    }
  ],
  "related": [
    "CVE-2022-24795"
  ],
  "summary": "Moderate: yajl security update"
}

GSD-2022-24795

Vulnerability from gsd - Updated: 2022-04-05 00:00

Details

The 1.x branch and the 2.x branch of [yajl](https://github.com/lloyd/yajl) contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs. ### Details The [reallocation logic at yajl_buf.c#L64](https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64) may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf->alloc into a small heap chunk. These integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer. Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption. ### Impact We rate this as a moderate severity vulnerability which mostly impacts process availability as we believe exploitation for arbitrary code execution to be unlikely. ### Patches Patched in yajl-ruby 1.4.2 ### Workarounds Avoid passing large inputs to YAJL

Aliases

CVE-2022-24795

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2022-24795",
    "description": "yajl-ruby is a C binding to the YAJL JSON parsing and generation library. The 1.x branch and the 2.x branch of `yajl` contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs. The reallocation logic at `yajl_buf.c#L64` may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf-\u003ealloc into a small heap chunk. These integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer. Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption. This vulnerability mostly impacts process availability. Maintainers believe exploitation for arbitrary code execution is unlikely. A patch is available and anticipated to be part of yajl-ruby version 1.4.2. As a workaround, avoid passing large inputs to YAJL.",
    "id": "GSD-2022-24795",
    "references": [
      "https://www.suse.com/security/cve/CVE-2022-24795.html",
      "https://access.redhat.com/errata/RHSA-2022:7524",
      "https://access.redhat.com/errata/RHSA-2022:8252"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "yajl-ruby",
            "purl": "pkg:gem/yajl-ruby"
          }
        }
      ],
      "aliases": [
        "CVE-2022-24795",
        "GHSA-jj47-x69x-mxrm"
      ],
      "details": "The 1.x branch and the 2.x branch of [yajl](https://github.com/lloyd/yajl)\ncontain an integer overflow which leads to subsequent heap memory corruption\nwhen dealing with large (~2GB) inputs.\n\n### Details\n\nThe [reallocation logic at yajl_buf.c#L64](https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64)\nmay result in the `need` 32bit integer wrapping to 0 when `need` approaches\na value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation\nof buf-\u003ealloc into a small heap chunk.\n\nThese integers are declared as `size_t` in the 2.x branch of `yajl`, which\npractically prevents the issue from triggering on 64bit platforms, however\nthis does not preclude this issue triggering on 32bit builds on which\n`size_t` is a 32bit integer.\n\nSubsequent population of this under-allocated heap chunk is based on the\noriginal buffer size, leading to heap memory corruption.\n\n### Impact\n\nWe rate this as a moderate severity vulnerability which mostly impacts\nprocess availability as we believe exploitation for arbitrary code\nexecution to be unlikely.\n\n### Patches\n\nPatched in yajl-ruby 1.4.2\n\n### Workarounds\n\nAvoid passing large inputs to YAJL\n",
      "id": "GSD-2022-24795",
      "modified": "2022-04-05T00:00:00.000Z",
      "published": "2022-04-05T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm"
        },
        {
          "type": "WEB",
          "url": "https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64"
        }
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 5.9,
          "type": "CVSS_V3"
        }
      ],
      "summary": "Reallocation bug can trigger heap memory corruption"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2022-24795",
        "STATE": "PUBLIC",
        "TITLE": "Buffer Overflow and Integer Overflow in yajl-ruby"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
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                  {
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                    "version": {
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                          "version_value": "\u003c= 1.4.1"
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              "vendor_name": "brianmario"
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      "description": {
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            "value": "yajl-ruby is a C binding to the YAJL JSON parsing and generation library. The 1.x branch and the 2.x branch of `yajl` contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs. The reallocation logic at `yajl_buf.c#L64` may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf-\u003ealloc into a small heap chunk. These integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer. Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption. This vulnerability mostly impacts process availability. Maintainers believe exploitation for arbitrary code execution is unlikely. A patch is available and anticipated to be part of yajl-ruby version 1.4.2. As a workaround, avoid passing large inputs to YAJL."
          }
        ]
      },
      "impact": {
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
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                "value": "CWE-190: Integer Overflow or Wraparound"
              }
            ]
          }
        ]
      },
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          },
          {
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            "url": "https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64"
          },
          {
            "name": "[debian-lts-announce] 20230711 [SECURITY] [DLA 3492-1] yajl security update",
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          },
          {
            "name": "FEDORA-2023-00572178e1",
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KLE3C4CECEJ4EUYI56KXI6OWACWXX7WN/"
          },
          {
            "name": "FEDORA-2023-852b377773",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YO32YDJ74DADC7CMJNLSLBVWN5EXGF5J/"
          },
          {
            "name": "[debian-lts-announce] 20230805 [SECURITY] [DLA 3516-1] burp security update",
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            "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-jj47-x69x-mxrm",
        "discovery": "UNKNOWN"
      }
    },
    "github.com/rubysec/ruby-advisory-db": {
      "cve": "2022-24795",
      "cvss_v3": 5.9,
      "date": "2022-04-05",
      "description": "The 1.x branch and the 2.x branch of [yajl](https://github.com/lloyd/yajl)\ncontain an integer overflow which leads to subsequent heap memory corruption\nwhen dealing with large (~2GB) inputs.\n\n### Details\n\nThe [reallocation logic at yajl_buf.c#L64](https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64)\nmay result in the `need` 32bit integer wrapping to 0 when `need` approaches\na value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation\nof buf-\u003ealloc into a small heap chunk.\n\nThese integers are declared as `size_t` in the 2.x branch of `yajl`, which\npractically prevents the issue from triggering on 64bit platforms, however\nthis does not preclude this issue triggering on 32bit builds on which\n`size_t` is a 32bit integer.\n\nSubsequent population of this under-allocated heap chunk is based on the\noriginal buffer size, leading to heap memory corruption.\n\n### Impact\n\nWe rate this as a moderate severity vulnerability which mostly impacts\nprocess availability as we believe exploitation for arbitrary code\nexecution to be unlikely.\n\n### Patches\n\nPatched in yajl-ruby 1.4.2\n\n### Workarounds\n\nAvoid passing large inputs to YAJL\n",
      "gem": "yajl-ruby",
      "ghsa": "jj47-x69x-mxrm",
      "patched_versions": [
        "\u003e= 1.4.2"
      ],
      "related": {
        "url": [
          "https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64"
        ]
      },
      "title": "Reallocation bug can trigger heap memory corruption",
      "url": "https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm"
    },
    "gitlab.com": {
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        {
          "affected_range": "\u003c1.4.2",
          "affected_versions": "All versions before 1.4.2",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-190",
            "CWE-937"
          ],
          "date": "2023-08-05",
          "description": "yajl-ruby is a C binding to the YAJL JSON parsing and generation library. The 1.x branch and the 2.x branch of `yajl` contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs. The reallocation logic at `yajl_buf.c#L64` may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf-\u003ealloc into a small heap chunk. These integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer. Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption. This vulnerability mostly impacts process availability. Maintainers believe exploitation for arbitrary code execution is unlikely. A patch is available and anticipated to be part of yajl-ruby version 1.4.2. As a workaround, avoid passing large inputs to YAJL.",
          "fixed_versions": [
            "1.4.2"
          ],
          "identifier": "CVE-2022-24795",
          "identifiers": [
            "CVE-2022-24795",
            "GHSA-jj47-x69x-mxrm"
          ],
          "not_impacted": "All versions starting from 1.4.2",
          "package_slug": "gem/yajl-ruby",
          "pubdate": "2022-04-05",
          "solution": "Upgrade to version 1.4.2 or above.",
          "title": "Heap-based Buffer Overflow",
          "urls": [
            "https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm",
            "https://github.com/advisories/GHSA-jj47-x69x-mxrm"
          ],
          "uuid": "25255b57-91c4-41b0-980c-36a210e90a52"
        }
      ]
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    "nvd.nist.gov": {
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              "value": "yajl-ruby is a C binding to the YAJL JSON parsing and generation library. The 1.x branch and the 2.x branch of `yajl` contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs. The reallocation logic at `yajl_buf.c#L64` may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf-\u003ealloc into a small heap chunk. These integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer. Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption. This vulnerability mostly impacts process availability. Maintainers believe exploitation for arbitrary code execution is unlikely. A patch is available and anticipated to be part of yajl-ruby version 1.4.2. As a workaround, avoid passing large inputs to YAJL."
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            },
            {
              "name": "https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64"
            },
            {
              "name": "https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6"
            },
            {
              "name": "[debian-lts-announce] 20230711 [SECURITY] [DLA 3492-1] yajl security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html"
            },
            {
              "name": "FEDORA-2023-00572178e1",
              "refsource": "FEDORA",
              "tags": [],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KLE3C4CECEJ4EUYI56KXI6OWACWXX7WN/"
            },
            {
              "name": "FEDORA-2023-852b377773",
              "refsource": "FEDORA",
              "tags": [],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YO32YDJ74DADC7CMJNLSLBVWN5EXGF5J/"
            },
            {
              "name": "[debian-lts-announce] 20230805 [SECURITY] [DLA 3516-1] burp security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-08-05T19:15Z",
      "publishedDate": "2022-04-05T16:15Z"
    }
  }
}

GHSA-JJ47-X69X-MXRM

Vulnerability from github – Published: 2022-04-05 15:55 – Updated: 2022-05-26 18:54

Summary

Buffer Overflow in yajl-ruby

Details

NOTE: A previous patch, 1.4.2, fixed the heap memory issue, but could still lead to a DoS infinite loop. Please update to version 1.4.3

The 1.x branch and the 2.x branch of yajl contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs.

Details

The reallocation logic at yajl_buf.c#L64 may result in the need 32bit integer wrapping to 0 when need approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf->alloc into a small heap chunk.

These integers are declared as size_t in the 2.x branch of yajl, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which size_t is a 32bit integer.

Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption.

Impact

We rate this as a moderate severity vulnerability which mostly impacts process availability as we believe exploitation for arbitrary code execution to be unlikely.

Patches

Patched in yajl-ruby 1.4.3

Workarounds

Avoid passing large inputs to YAJL

References

https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64

For more information

If you have any questions or comments about this advisory: * Open an issue in yajl-ruby

Severity ?

5.9 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.4.2"
      },
      "package": {
        "ecosystem": "RubyGems",
        "name": "yajl-ruby"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-24795"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122",
      "CWE-190"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-04-05T15:55:51Z",
    "nvd_published_at": "2022-04-05T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "_NOTE: A previous patch, 1.4.2, fixed the heap memory issue, but could still lead to a DoS infinite loop. Please update to version 1.4.3_\n\nThe 1.x branch and the 2.x branch of [yajl](https://github.com/lloyd/yajl) contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs.\n\n### Details\n\nThe [reallocation logic at yajl_buf.c#L64](https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64) may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf-\u003ealloc into a small heap chunk.\n\nThese integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer.\n\nSubsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption.\n\n### Impact\n\nWe rate this as a moderate severity vulnerability which mostly impacts process availability as we believe exploitation for arbitrary code execution to be unlikely.\n\n### Patches\n\nPatched in yajl-ruby 1.4.3\n\n### Workarounds\n\nAvoid passing large inputs to YAJL\n\n### References\nhttps://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [yajl-ruby](https://github.com/brianmario/yajl-ruby/issues)\n",
  "id": "GHSA-jj47-x69x-mxrm",
  "modified": "2022-05-26T18:54:24Z",
  "published": "2022-04-05T15:55:51Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-24795"
    },
    {
      "type": "WEB",
      "url": "https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/brianmario/yajl-ruby"
    },
    {
      "type": "WEB",
      "url": "https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/yajl-ruby/CVE-2022-24795.yml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KLE3C4CECEJ4EUYI56KXI6OWACWXX7WN"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YO32YDJ74DADC7CMJNLSLBVWN5EXGF5J"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Buffer Overflow in yajl-ruby"
}

CVE-2022-24795

Vulnerability from fstec - Published: 05.04.2022

Title

Уязвимость компонента yajl_buf.c библиотеки JSON YAJL-ruby, позволяющая нарушителю получить доступ к конфиденциальным данным

Description

Уязвимость компонента yajl_buf.c библиотеки JSON YAJL-ruby связана с выходом операции за границы буфера в памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, получить доступ к конфиденциальным данным

Severity ?


                    
                      AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor

Сообщество свободного программного обеспечения, ООО «РусБИТех-Астра», Jeroen Ooms, Brian Lopez, Lloyd Hilaiel, Graham Keeling, АО "НППКТ"

Software Name

Debian GNU/Linux, Astra Linux Special Edition (запись в едином реестре российских программ №369), Jsonlite, YAJL-ruby, YAJL, Burp, EPICS Base, ОСОН ОСнова Оnyx (запись в едином реестре российских программ №5913)

Software Version

10 (Debian GNU/Linux), 11 (Debian GNU/Linux), 12 (Debian GNU/Linux), 1.7 (Astra Linux Special Edition), 4.7 (Astra Linux Special Edition), до 1.8.7 включительно (Jsonlite), до 1.4.3 (YAJL-ruby), до 2.1.0-4 (YAJL), до 2.1.32 (Burp), 7.0.7 (EPICS Base), до 2.9 (ОСОН ОСнова Оnyx)

Possible Mitigations

Для Burp: использование рекомендаций производителя: https://security-tracker.debian.org/tracker/DLA-3516-1 Для Jsonlite: использование рекомендаций производителя: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1040161 Для YAJL: использование рекомендаций производителя: https://github.com/lloyd/yajl/issues/239 Для YAJL-ruby: использование рекомендаций производителя: https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm Для EPICS Base: использование рекомендаций производителя: https://github.com/epics-base/epics-base/issues/405 Для Debian: использование рекомендаций производителя: https://security-tracker.debian.org/tracker/CVE-2022-24795 Для ОС Astra Linux: обновить пакет yajl до 2.1.0-3+deb10u2 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-1023SE17 Для ОСОН ОСнова Оnyx: Обновление программного обеспечения yajl до версии 2.1.0-3+deb10u2 Для Astra Linux Special Edition 4.7: обновить пакет yajl до 2.1.0-3+deb10u2 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47

Reference

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1040161 https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64 https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6 https://github.com/brianmario/yajl-ruby/commit/e8de283a6d64f0902740fd09e858fc3d7d803161 https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm https://github.com/epics-base/epics-base/issues/405 https://github.com/lloyd/yajl/issues/239 https://nvd.nist.gov/vuln/detail/CVE-2022-24795 https://security-tracker.debian.org/tracker/CVE-2022-24795 https://security-tracker.debian.org/tracker/DLA-3516-1 https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-1023SE17 https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/2.9/ https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47

CWE

CWE-122

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:C/I:N/A:N",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "\u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb, Jeroen Ooms, Brian Lopez, Lloyd Hilaiel, Graham Keeling, \u0410\u041e \"\u041d\u041f\u041f\u041a\u0422\"",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "10 (Debian GNU/Linux), 11 (Debian GNU/Linux), 12 (Debian GNU/Linux), 1.7 (Astra Linux Special Edition), 4.7 (Astra Linux Special Edition), \u0434\u043e 1.8.7 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Jsonlite), \u0434\u043e 1.4.3 (YAJL-ruby), \u0434\u043e 2.1.0-4 (YAJL), \u0434\u043e 2.1.32 (Burp), 7.0.7 (EPICS Base), \u0434\u043e 2.9 (\u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0414\u043b\u044f Burp:\n\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://security-tracker.debian.org/tracker/DLA-3516-1\n\n\u0414\u043b\u044f Jsonlite:\n\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1040161\n\n\u0414\u043b\u044f YAJL:\n\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://github.com/lloyd/yajl/issues/239\n\n\u0414\u043b\u044f YAJL-ruby:\n\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm\n\n\u0414\u043b\u044f EPICS Base:\n\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://github.com/epics-base/epics-base/issues/405\n\n\u0414\u043b\u044f Debian:\n\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://security-tracker.debian.org/tracker/CVE-2022-24795\n\n\u0414\u043b\u044f \u041e\u0421 Astra Linux:\n\u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442 yajl \u0434\u043e 2.1.0-3+deb10u2 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-1023SE17\n\n\u0414\u043b\u044f \u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx:\n\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f yajl \u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 2.1.0-3+deb10u2\n\n\u0414\u043b\u044f Astra Linux Special Edition 4.7:\n\u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442 yajl \u0434\u043e 2.1.0-3+deb10u2 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "05.04.2022",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "27.04.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "11.11.2023",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2023-07630",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2022-24795",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Debian GNU/Linux, Astra Linux Special Edition (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), Jsonlite, YAJL-ruby, YAJL, Burp, EPICS Base, \u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21165913)",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "\u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 10 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 11 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 12 , \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition 1.7  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition 4.7 ARM (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), \u0410\u041e \"\u041d\u041f\u041f\u041a\u0422\" \u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx \u0434\u043e 2.9  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21165913)",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 yajl_buf.c \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 JSON YAJL-ruby, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u043c \u0434\u0430\u043d\u043d\u044b\u043c",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0435",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 (CWE-122)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 yajl_buf.c \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 JSON YAJL-ruby \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0432\u044b\u0445\u043e\u0434\u043e\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u044b \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u043c \u0434\u0430\u043d\u043d\u044b\u043c",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1040161\nhttps://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64\nhttps://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6\nhttps://github.com/brianmario/yajl-ruby/commit/e8de283a6d64f0902740fd09e858fc3d7d803161\nhttps://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm\nhttps://github.com/epics-base/epics-base/issues/405\nhttps://github.com/lloyd/yajl/issues/239\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-24795\nhttps://security-tracker.debian.org/tracker/CVE-2022-24795\nhttps://security-tracker.debian.org/tracker/DLA-3516-1\nhttps://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-1023SE17\nhttps://\u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430.\u043d\u043f\u043f\u043a\u0442.\u0440\u0444/bin/view/\u041e\u0421\u043d\u043e\u0432\u0430/\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f/2.9/\nhttps://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u0421\u0435\u0442\u0435\u0432\u043e\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-122",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,5)"
}

CERTFR-2025-AVI-0003

Vulnerability from certfr_avis - Published: 2025-01-03 - Updated: 2025-01-03

De multiples vulnérabilités ont été découvertes dans les produits IBM. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et un déni de service à distance.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
IBM	Db2	Db2 warehouse versions antérieures à 5.1
IBM	Db2	Db2 Big SQL versions antérieures à 7.8
IBM	Db2	Db2 versions antérieures à 5.1

References

Title

Publication Time

FKIE_CVE-2022-24795

Vulnerability from fkie_nvd - Published: 2022-04-05 16:15 - Updated: 2024-11-21 06:51

Severity ?

5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64	Exploit, Third Party Advisory
security-advisories@github.com	https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6	Patch, Third Party Advisory
security-advisories@github.com	https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm	Exploit, Third Party Advisory
security-advisories@github.com	https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html
security-advisories@github.com	https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html
security-advisories@github.com	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLE3C4CECEJ4EUYI56KXI6OWACWXX7WN/
security-advisories@github.com	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YO32YDJ74DADC7CMJNLSLBVWN5EXGF5J/
af854a3a-2127-422b-91ae-364da2661108	https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLE3C4CECEJ4EUYI56KXI6OWACWXX7WN/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YO32YDJ74DADC7CMJNLSLBVWN5EXGF5J/

Impacted products

	Vendor	Product	Version
	yajl-ruby_project	yajl-ruby	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:yajl-ruby_project:yajl-ruby:*:*:*:*:*:ruby:*:*",
              "matchCriteriaId": "FDF3C5E8-7062-41C0-9909-EB5D52893A75",
              "versionEndExcluding": "1.4.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "yajl-ruby is a C binding to the YAJL JSON parsing and generation library. The 1.x branch and the 2.x branch of `yajl` contain an integer overflow which leads to subsequent heap memory corruption when dealing with large (~2GB) inputs. The reallocation logic at `yajl_buf.c#L64` may result in the `need` 32bit integer wrapping to 0 when `need` approaches a value of 0x80000000 (i.e. ~2GB of data), which results in a reallocation of buf-\u003ealloc into a small heap chunk. These integers are declared as `size_t` in the 2.x branch of `yajl`, which practically prevents the issue from triggering on 64bit platforms, however this does not preclude this issue triggering on 32bit builds on which `size_t` is a 32bit integer. Subsequent population of this under-allocated heap chunk is based on the original buffer size, leading to heap memory corruption. This vulnerability mostly impacts process availability. Maintainers believe exploitation for arbitrary code execution is unlikely. A patch is available and anticipated to be part of yajl-ruby version 1.4.2. As a workaround, avoid passing large inputs to YAJL."
    },
    {
      "lang": "es",
      "value": "yajl-riuby es un enlace en C a la biblioteca de an\u00e1lisis y generaci\u00f3n de JSON YAJL. La rama 1.x y la rama 2.x de yajl contienen un desbordamiento de enteros que conlleva a una posterior corrupci\u00f3n de la memoria de la pila cuando trata con entradas grandes (~2GB). La l\u00f3gica de reasignaci\u00f3n en \"yajl_buf.c#L64\" puede hacer que el entero de 32 bits \"need\" sea convertido en 0 cuando \"need\" es acercado a un valor de 0x80000000 (es decir, ~2GB de datos), lo que resulta en una reasignaci\u00f3n de buf-)alloc en un peque\u00f1o trozo de pila. Estos enteros est\u00e1n declarados como \"size_t\" en la rama 2.x de \"yajl\", lo que pr\u00e1cticamente evita que el problema ses desencadenado en plataformas de 64 bits, sin embargo esto no impide que este problema sea desencadenado en construcciones de 32 bits en las que \"size_t\" es un entero de 32 bits. El poblamiento posterior de este trozo de pila infra asignado es basado en el tama\u00f1o original del buffer, conllevando una corrupci\u00f3n de la memoria de la pila. Esta vulnerabilidad afecta principalmente a la disponibilidad de los procesos. Los mantenedores creen que la explotaci\u00f3n para una ejecuci\u00f3n de c\u00f3digo arbitrario es poco probable. Se presenta un parche disponible y se espera que forme parte de la versi\u00f3n 1.4.2. Como medida de mitigaci\u00f3n, evite pasar entradas grandes a YAJL"
    }
  ],
  "id": "CVE-2022-24795",
  "lastModified": "2024-11-21T06:51:06.827",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-04-05T16:15:14.050",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLE3C4CECEJ4EUYI56KXI6OWACWXX7WN/"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YO32YDJ74DADC7CMJNLSLBVWN5EXGF5J/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/brianmario/yajl-ruby/blob/7168bd79b888900aa94523301126f968a93eb3a6/ext/yajl/yajl_buf.c#L64"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/brianmario/yajl-ruby/commit/7168bd79b888900aa94523301126f968a93eb3a6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/brianmario/yajl-ruby/security/advisories/GHSA-jj47-x69x-mxrm"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00013.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00003.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLE3C4CECEJ4EUYI56KXI6OWACWXX7WN/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YO32YDJ74DADC7CMJNLSLBVWN5EXGF5J/"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        },
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2022-24795 (GCVE-0-2022-24795)

cve-2022-24795

Vulnerability from osv_almalinux

cve-2022-24795

Vulnerability from osv_almalinux

GSD-2022-24795

GHSA-JJ47-X69X-MXRM

Details

Impact

Patches

Workarounds

References

For more information

CVE-2022-24795

CERTFR-2025-AVI-0003

Solutions

FKIE_CVE-2022-24795

Tags

Sightings

Nomenclature