GSD-2021-38493

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 ESR < 78.14, Thunderbird < 78.14, and Firefox < 92.
Aliases
Aliases
CVE-2021-38493
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{
  "GSD": {
    "alias": "CVE-2021-38493",
    "description": "Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 ESR \u003c 78.14, Thunderbird \u003c 78.14, and Firefox \u003c 92.",
    "id": "GSD-2021-38493",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-38493.html",
      "https://www.debian.org/security/2021/dsa-4973",
      "https://www.debian.org/security/2021/dsa-4969",
      "https://access.redhat.com/errata/RHSA-2021:3501",
      "https://access.redhat.com/errata/RHSA-2021:3500",
      "https://access.redhat.com/errata/RHSA-2021:3499",
      "https://access.redhat.com/errata/RHSA-2021:3498",
      "https://access.redhat.com/errata/RHSA-2021:3497",
      "https://access.redhat.com/errata/RHSA-2021:3496",
      "https://access.redhat.com/errata/RHSA-2021:3495",
      "https://access.redhat.com/errata/RHSA-2021:3494",
      "https://ubuntu.com/security/CVE-2021-38493",
      "https://advisories.mageia.org/CVE-2021-38493.html",
      "https://security.archlinux.org/CVE-2021-38493",
      "https://linux.oracle.com/cve/CVE-2021-38493.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-38493"
      ],
      "details": "Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 ESR \u003c 78.14, Thunderbird \u003c 78.14, and Firefox \u003c 92.",
      "id": "GSD-2021-38493",
      "modified": "2023-12-13T01:23:17.673657Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2021-38493",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
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                  {
                    "product_name": "Firefox ESR",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "78.14"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Thunderbird",
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                          "version_affected": "\u003c",
                          "version_value": "92"
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            }
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            "value": "Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 ESR \u003c 78.14, Thunderbird \u003c 78.14, and Firefox \u003c 92."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1"
              }
            ]
          }
        ]
      },
      "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://www.mozilla.org/security/advisories/mfsa2021-42/",
            "refsource": "MISC",
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-42/"
          },
          {
            "name": "https://www.mozilla.org/security/advisories/mfsa2021-39/",
            "refsource": "MISC",
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-39/"
          },
          {
            "name": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1724101%2C1724107",
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            "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1724101%2C1724107"
          },
          {
            "name": "GLSA-202202-03",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202202-03"
          },
          {
            "name": "GLSA-202208-14",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202208-14"
          }
        ]
      }
    },
    "mozilla.org": {
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        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2021-38493"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Thunderbird",
                    "version": {
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            "value": "Mozilla developers Tyson Smith and Gabriele Svelto reported memory safety bugs present in Thunderbird 78.13. 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 Thunderbird \u003c 78.14, Firefox ESR \u003c 78.14, and Firefox \u003c 92."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Memory safety bugs fixed in Thunderbird 78.14 and Thunderbird 91.1"
              }
            ]
          }
        ]
      },
      "references": {
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          {
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-39/"
          },
          {
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-38/"
          },
          {
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-42/"
          },
          {
            "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1724101%2C1724107"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "92.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "78.14",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "78.14",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ID": "CVE-2021-38493"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 ESR \u003c 78.14, Thunderbird \u003c 78.14, and Firefox \u003c 92."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2021-42/",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.mozilla.org/security/advisories/mfsa2021-42/"
            },
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2021-38/",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.mozilla.org/security/advisories/mfsa2021-38/"
            },
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2021-39/",
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                "Vendor Advisory"
              ],
              "url": "https://www.mozilla.org/security/advisories/mfsa2021-39/"
            },
            {
              "name": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1724101%2C1724107",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1724101%2C1724107"
            },
            {
              "name": "GLSA-202202-03",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/202202-03"
            },
            {
              "name": "GLSA-202208-14",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/202208-14"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-12-09T19:26Z",
      "publishedDate": "2021-11-03T01:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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