Vulnerability-Lookup

GHSA-Q37V-WF54-QCHQ

Vulnerability from github – Published: 2022-05-13 01:32 – Updated: 2022-05-13 01:32

Details

The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).

Severity ?

8.1 (High)


                  
                    CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2018-6340"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-12-31T22:29:00Z",
    "severity": "HIGH"
  },
  "details": "The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).",
  "id": "GHSA-q37v-wf54-qchq",
  "modified": "2022-05-13T01:32:03Z",
  "published": "2022-05-13T01:32:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-6340"
    },
    {
      "type": "WEB",
      "url": "https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3"
    },
    {
      "type": "WEB",
      "url": "https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-6340 (GCVE-0-2018-6340)

Vulnerability from cvelistv5 – Published: 2018-12-31 22:00 – Updated: 2025-05-06 19:00

Summary

Severity ?

8.1 (High)


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

CWE

CWE-125 - Out-of-bounds Read (CWE-125)

Assigner

facebook

References

URL

Tags

	https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html	x_refsource_MISC
	https://github.com/facebook/hhvm/commit/4bff3bfbe…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Facebook	HHVM	Affected: 3.30.1 Affected: 3.30.0 , < unspecified (custom) Affected: 3.27.5 Affected: unspecified , < 3.27.5 (custom)

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T06:01:48.705Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.1,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2018-6340",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-06T18:59:29.098252Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-06T19:00:01.711Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "HHVM",
          "vendor": "Facebook",
          "versions": [
            {
              "status": "affected",
              "version": "3.30.1"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "3.30.0",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "3.27.5"
            },
            {
              "lessThan": "3.27.5",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "dateAssigned": "2018-12-18T00:00:00.000Z",
      "datePublic": "2018-12-31T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "Out-of-bounds Read (CWE-125)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-12-31T21:57:01.000Z",
        "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
        "shortName": "facebook"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve-assign@fb.com",
          "DATE_ASSIGNED": "2018-12-18",
          "ID": "CVE-2018-6340",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "HHVM",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "!=\u003e",
                            "version_value": "3.30.1"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "3.30.0"
                          },
                          {
                            "version_affected": "!=\u003e",
                            "version_value": "3.27.5"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "3.27.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Facebook"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below)."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Out-of-bounds Read (CWE-125)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html",
              "refsource": "MISC",
              "url": "https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html"
            },
            {
              "name": "https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3",
              "refsource": "MISC",
              "url": "https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
    "assignerShortName": "facebook",
    "cveId": "CVE-2018-6340",
    "datePublished": "2018-12-31T22:00:00.000Z",
    "dateReserved": "2018-01-26T00:00:00.000Z",
    "dateUpdated": "2025-05-06T19:00:01.711Z",
    "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.

Action not permitted

GHSA-Q37V-WF54-QCHQ

CVE-2018-6340 (GCVE-0-2018-6340)

Tags

Sightings

Nomenclature