CVE-2018-6340 (GCVE-0-2018-6340)
Vulnerability from cvelistv5
Published
2018-12-31 22:00
Modified
2025-05-06 19:00
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
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).
References
Impacted products
Vendor Product Version
Facebook HHVM Version: 3.30.1
Version: 3.30.0   < unspecified
Version: 3.27.5
Version: unspecified   < 3.27.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "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",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-6340\",\"sourceIdentifier\":\"cve-assign@fb.com\",\"published\":\"2018-12-31T22:29:00.327\",\"lastModified\":\"2025-05-06T19:15:54.063\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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).\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n Memcache::getextendedstats puede utilizarse para provocar una lectura fuera de l\u00edmites. La explotaci\u00f3n de este problema requiere control sobre nombres y/o puertos del servidor \\\"memcatched\\\". Esto afecta a todas las versiones soportadas de HVVM (en versiones anteriores a las 3.30 y 3.27.4).\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9}],\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cve-assign@fb.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"3.27.4\",\"matchCriteriaId\":\"20625917-395C-4FE6-B681-8C8C2078549E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hhvm:3.30:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"902E260E-9611-4217-A38A-4143F6C5A165\"}]}]}],\"references\":[{\"url\":\"https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3\",\"source\":\"cve-assign@fb.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html\",\"source\":\"cve-assign@fb.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"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\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-05T06:01:48.705Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.1, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2018-6340\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-06T18:59:29.098252Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-06T18:59:44.746Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"Facebook\", \"product\": \"HHVM\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.30.1\"}, {\"status\": \"affected\", \"version\": \"3.30.0\", \"lessThan\": \"unspecified\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"3.27.5\"}, {\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"3.27.5\", \"versionType\": \"custom\"}]}], \"datePublic\": \"2018-12-31T00:00:00.000Z\", \"references\": [{\"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\", \"tags\": [\"x_refsource_MISC\"]}], \"dateAssigned\": \"2018-12-18T00:00:00.000Z\", \"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\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"Out-of-bounds Read (CWE-125)\"}]}], \"providerMetadata\": {\"orgId\": \"4fc57720-52fe-4431-a0fb-3d2c8747b827\", \"shortName\": \"facebook\", \"dateUpdated\": \"2018-12-31T21:57:01.000Z\"}, \"x_legacyV4Record\": {\"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"3.30.1\", \"version_affected\": \"!=\u003e\"}, {\"version_value\": \"3.30.0\", \"version_affected\": \"\u003e=\"}, {\"version_value\": \"3.27.5\", \"version_affected\": \"!=\u003e\"}, {\"version_value\": \"3.27.5\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"HHVM\"}]}, \"vendor_name\": \"Facebook\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html\", \"name\": \"https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html\", \"refsource\": \"MISC\"}, {\"url\": \"https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3\", \"name\": \"https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3\", \"refsource\": \"MISC\"}]}, \"data_format\": \"MITRE\", \"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)\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2018-6340\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"cve-assign@fb.com\", \"DATE_ASSIGNED\": \"2018-12-18\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2018-6340\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-06T19:00:01.711Z\", \"dateReserved\": \"2018-01-26T00:00:00.000Z\", \"assignerOrgId\": \"4fc57720-52fe-4431-a0fb-3d2c8747b827\", \"datePublished\": \"2018-12-31T22:00:00.000Z\", \"assignerShortName\": \"facebook\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.