CVE-2021-38494 (GCVE-0-2021-38494)

Vulnerability from cvelistv5 – Published: 2021-11-03 00:03 – Updated: 2024-08-04 01:44
VLAI?
Summary
Mozilla developers reported memory safety bugs present in Firefox 91. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 92.
Severity ?
No CVSS data available.
CWE
  • Memory safety bugs fixed in Firefox 92
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 92 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:44:23.464Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-38/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723920%2C1725638"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "92",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Mozilla developers reported memory safety bugs present in Firefox 91. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 92."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Memory safety bugs fixed in Firefox 92",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-03T00:03:42",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mozilla.org/security/advisories/mfsa2021-38/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723920%2C1725638"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2021-38494",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Firefox",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "92"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Mozilla"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Mozilla developers reported memory safety bugs present in Firefox 91. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 92."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Memory safety bugs fixed in Firefox 92"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2021-38/",
              "refsource": "MISC",
              "url": "https://www.mozilla.org/security/advisories/mfsa2021-38/"
            },
            {
              "name": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723920%2C1725638",
              "refsource": "MISC",
              "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723920%2C1725638"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2021-38494",
    "datePublished": "2021-11-03T00:03:42",
    "dateReserved": "2021-08-10T00:00:00",
    "dateUpdated": "2024-08-04T01:44:23.464Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"92.0\", \"matchCriteriaId\": \"117CF1EF-253C-4D02-96C4-EA184FC46C3A\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Mozilla developers reported memory safety bugs present in Firefox 91. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 92.\"}, {\"lang\": \"es\", \"value\": \"Los desarrolladores de Mozilla informaron de bugs de seguridad de memoria presentes en Firefox versi\\u00f3n 91. Algunos de estos bugs mostraban evidencias de corrupci\\u00f3n de memoria y suponemos que con suficiente esfuerzo algunos de ellos podr\\u00edan haber sido explotados para ejecutar c\\u00f3digo arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 92\"}]",
      "id": "CVE-2021-38494",
      "lastModified": "2024-11-21T06:17:14.437",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"baseScore\": 8.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"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\": true}]}",
      "published": "2021-11-03T01:15:07.293",
      "references": "[{\"url\": \"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723920%2C1725638\", \"source\": \"security@mozilla.org\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2021-38/\", \"source\": \"security@mozilla.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723920%2C1725638\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2021-38/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "security@mozilla.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-38494\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2021-11-03T01:15:07.293\",\"lastModified\":\"2024-11-21T06:17:14.437\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Mozilla developers reported memory safety bugs present in Firefox 91. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 92.\"},{\"lang\":\"es\",\"value\":\"Los desarrolladores de Mozilla informaron de bugs de seguridad de memoria presentes en Firefox versi\u00f3n 91. Algunos de estos bugs mostraban evidencias de corrupci\u00f3n de memoria y suponemos que con suficiente esfuerzo algunos de ellos podr\u00edan haber sido explotados para ejecutar c\u00f3digo arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 92\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"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\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"92.0\",\"matchCriteriaId\":\"117CF1EF-253C-4D02-96C4-EA184FC46C3A\"}]}]}],\"references\":[{\"url\":\"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723920%2C1725638\",\"source\":\"security@mozilla.org\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2021-38/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723920%2C1725638\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2021-38/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}