Vulnerability-Lookup

alsa-2021:4236

Vulnerability from osv_almalinux

Published

2021-11-09 08:48

Modified

2021-11-12 10:20

Summary

Low: tcpdump security and bug fix update

Details

The tcpdump packages contain the tcpdump utility for monitoring network traffic. The tcpdump utility can capture and display the packet headers on a particular network interface or on all interfaces.

Security Fix(es):

tcpdump: ppp decapsulator can be convinced to allocate a large amount of memory (CVE-2020-8037)

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": "tcpdump"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14:4.9.3-2.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The tcpdump packages contain the tcpdump utility for monitoring network traffic. The tcpdump utility can capture and display the packet headers on a particular network interface or on all interfaces.\n\nSecurity Fix(es):\n\n* tcpdump: ppp decapsulator can be convinced to allocate a large amount of memory (CVE-2020-8037)\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-2021:4236",
  "modified": "2021-11-12T10:20:56Z",
  "published": "2021-11-09T08:48:42Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2020-8037"
    }
  ],
  "related": [
    "CVE-2020-8037"
  ],
  "summary": "Low: tcpdump security and bug fix update"
}

CVE-2020-8037 (GCVE-0-2020-8037)

Vulnerability from cvelistv5 – Published: 2020-11-04 17:55 – Updated: 2024-09-16 20:27

Title

ppp decapsulator can be convinced to allocate a large amount of memory

Summary

The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.

Severity ?

No CVSS data available.

CWE

memory overallocation error

Assigner

Tcpdump

References

URL

Tags

	https://github.com/the-tcpdump-group/tcpdump/comm…	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	http://seclists.org/fulldisclosure/2021/Apr/51	mailing-listx_refsource_FULLDISC
	https://support.apple.com/kb/HT212325	x_refsource_CONFIRM
	https://support.apple.com/kb/HT212326	x_refsource_CONFIRM
	https://support.apple.com/kb/HT212327	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	The TCPdump Group	tcpdump	Affected: 4.9.3

Credits

Hardik Shah

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:48:25.625Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231"
          },
          {
            "name": "[debian-lts-announce] 20201110 [SECURITY] [DLA 2444-1] tcpdump security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00018.html"
          },
          {
            "name": "FEDORA-2020-fae2e1f2bc",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/"
          },
          {
            "name": "FEDORA-2020-c5e78886d6",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/"
          },
          {
            "name": "20210427 APPLE-SA-2021-04-26-3 Security Update 2021-002 Catalina",
            "tags": [
              "mailing-list",
              "x_refsource_FULLDISC",
              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2021/Apr/51"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.apple.com/kb/HT212325"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.apple.com/kb/HT212326"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.apple.com/kb/HT212327"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "tcpdump",
          "vendor": "The TCPdump Group",
          "versions": [
            {
              "status": "affected",
              "version": "4.9.3"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Hardik Shah"
        }
      ],
      "datePublic": "2020-04-21T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "memory overallocation error",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-23T19:30:45.000Z",
        "orgId": "cfdbb673-b408-4d03-89c1-c3d73ed80896",
        "shortName": "Tcpdump"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231"
        },
        {
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          "tags": [
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          "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00018.html"
        },
        {
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          "tags": [
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            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/"
        },
        {
          "name": "FEDORA-2020-c5e78886d6",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/"
        },
        {
          "name": "20210427 APPLE-SA-2021-04-26-3 Security Update 2021-002 Catalina",
          "tags": [
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          ],
          "url": "http://seclists.org/fulldisclosure/2021/Apr/51"
        },
        {
          "tags": [
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          ],
          "url": "https://support.apple.com/kb/HT212325"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.apple.com/kb/HT212326"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.apple.com/kb/HT212327"
        }
      ],
      "title": "ppp decapsulator can be convinced to allocate a large amount of memory",
      "x_legacyV4Record": {
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          "ASSIGNER": "security@tcpdump.org",
          "DATE_PUBLIC": "2020-04-21T00:00:00.000Z",
          "ID": "CVE-2020-8037",
          "STATE": "PUBLIC",
          "TITLE": "ppp decapsulator can be convinced to allocate a large amount of memory"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "tcpdump",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "4.9.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "The TCPdump Group"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Hardik Shah"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "value": "The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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                  "lang": "eng",
                  "value": "memory overallocation error"
                }
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        },
        "references": {
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            },
            {
              "name": "[debian-lts-announce] 20201110 [SECURITY] [DLA 2444-1] tcpdump security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00018.html"
            },
            {
              "name": "FEDORA-2020-fae2e1f2bc",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/"
            },
            {
              "name": "FEDORA-2020-c5e78886d6",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/"
            },
            {
              "name": "20210427 APPLE-SA-2021-04-26-3 Security Update 2021-002 Catalina",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2021/Apr/51"
            },
            {
              "name": "https://support.apple.com/kb/HT212325",
              "refsource": "CONFIRM",
              "url": "https://support.apple.com/kb/HT212325"
            },
            {
              "name": "https://support.apple.com/kb/HT212326",
              "refsource": "CONFIRM",
              "url": "https://support.apple.com/kb/HT212326"
            },
            {
              "name": "https://support.apple.com/kb/HT212327",
              "refsource": "CONFIRM",
              "url": "https://support.apple.com/kb/HT212327"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cfdbb673-b408-4d03-89c1-c3d73ed80896",
    "assignerShortName": "Tcpdump",
    "cveId": "CVE-2020-8037",
    "datePublished": "2020-11-04T17:55:21.657Z",
    "dateReserved": "2020-01-27T00:00:00.000Z",
    "dateUpdated": "2024-09-16T20:27:55.571Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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