github - ghsa-8p2q-73gc-fxq5

GHSA-8P2Q-73GC-FXQ5

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

Details

Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox < 91.0.1 and Thunderbird < 91.0.1.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-29991"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-444"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-11-03T01:15:00Z",
    "severity": "HIGH"
  },
  "details": "Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox \u003c 91.0.1 and Thunderbird \u003c 91.0.1.",
  "id": "GHSA-8p2q-73gc-fxq5",
  "modified": "2022-05-24T19:19:37Z",
  "published": "2022-05-24T19:19:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29991"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1724896"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-37"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-29991 (GCVE-0-2021-29991)

Vulnerability from cvelistv5 – Published: 2021-11-03 00:04 – Updated: 2024-08-03 22:24

Summary

Severity ?

No CVSS data available.

CWE

Header Splitting possible with HTTP/3 Responses

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1724896	x_refsource_MISC

Impacted products

Vendor

Product

Version

Mozilla

Firefox

Affected: unspecified , < 91.0.1 (custom)

Mozilla

Thunderbird

Affected: unspecified , < 91.0.1 (custom)

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-03T22:24:59.901Z",
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              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-37/"
          },
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1724896"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "91.0.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
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        }
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      "descriptions": [
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        }
      ],
      "problemTypes": [
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                        ]
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                    },
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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-8P2Q-73GC-FXQ5

CVE-2021-29991 (GCVE-0-2021-29991)

Tags

Sightings

Nomenclature