Vulnerability-Lookup

GHSA-V254-2GQM-J372

Vulnerability from github – Published: 2022-05-24 19:06 – Updated: 2022-05-24 19:06

Details

Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 88.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-23997"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-681"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-06-24T14:15:00Z",
    "severity": "HIGH"
  },
  "details": "Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 88.",
  "id": "GHSA-v254-2gqm-j372",
  "modified": "2022-05-24T19:06:11Z",
  "published": "2022-05-24T19:06:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23997"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1701942"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-16"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-23997 (GCVE-0-2021-23997)

Vulnerability from cvelistv5 – Published: 2021-06-24 13:25 – Updated: 2024-08-03 19:14

Summary

Severity ?

No CVSS data available.

CWE

Use-after-free when freeing fonts from cache

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1701942	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Mozilla	Firefox	Affected: unspecified , < 88 (custom)

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:14:10.062Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-16/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1701942"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "88",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 88."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Use-after-free when freeing fonts from cache",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-24T13:25:34.000Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
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          ],
          "url": "https://www.mozilla.org/security/advisories/mfsa2021-16/"
        },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1701942"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2021-23997",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Firefox",
                      "version": {
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                          {
                            "version_affected": "\u003c",
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                          }
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                      }
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                "vendor_name": "Mozilla"
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
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                {
                  "lang": "eng",
                  "value": "Use-after-free when freeing fonts from cache"
                }
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          ]
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        "references": {
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            },
            {
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              "refsource": "MISC",
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1701942"
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  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
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    "datePublished": "2021-06-24T13:25:34.000Z",
    "dateReserved": "2021-01-13T00:00:00.000Z",
    "dateUpdated": "2024-08-03T19:14:10.062Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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-V254-2GQM-J372

CVE-2021-23997 (GCVE-0-2021-23997)

Tags

Sightings

Nomenclature