github - ghsa-x5j6-p8w8-5r65

GHSA-X5J6-P8W8-5R65

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

Details

If a Thunderbird user has previously imported Alice's OpenPGP key, and Alice has extended the validity period of her key, but Alice's updated key has not yet been imported, an attacker may send an email containing a crafted version of Alice's key with an invalid subkey, Thunderbird might subsequently attempt to use the invalid subkey, and will fail to send encrypted email to Alice. This vulnerability affects Thunderbird < 78.9.1.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-23991"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-06-24T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "If a Thunderbird user has previously imported Alice\u0027s OpenPGP key, and Alice has extended the validity period of her key, but Alice\u0027s updated key has not yet been imported, an attacker may send an email containing a crafted version of Alice\u0027s key with an invalid subkey, Thunderbird might subsequently attempt to use the invalid subkey, and will fail to send encrypted email to Alice. This vulnerability affects Thunderbird \u003c 78.9.1.",
  "id": "GHSA-x5j6-p8w8-5r65",
  "modified": "2022-05-24T19:06:12Z",
  "published": "2022-05-24T19:06:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23991"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1673240"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-13"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-23991 (GCVE-0-2021-23991)

Vulnerability from cvelistv5 – Published: 2021-06-24 13:27 – Updated: 2024-08-03 19:14

Summary

Severity ?

No CVSS data available.

CWE

An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1673240	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Mozilla	Thunderbird	Affected: unspecified , < 78.9.1 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:14:10.003Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-13/"
          },
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1673240"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "78.9.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "If a Thunderbird user has previously imported Alice\u0027s OpenPGP key, and Alice has extended the validity period of her key, but Alice\u0027s updated key has not yet been imported, an attacker may send an email containing a crafted version of Alice\u0027s key with an invalid subkey, Thunderbird might subsequently attempt to use the invalid subkey, and will fail to send encrypted email to Alice. This vulnerability affects Thunderbird \u003c 78.9.1."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "An attacker may use Thunderbird\u0027s OpenPGP key refresh mechanism to poison an existing key",
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              "type": "text"
            }
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      "providerMetadata": {
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        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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      },
      "references": [
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1673240"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2021-23991",
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        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
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                      "version": {
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                            "version_affected": "\u003c",
                            "version_value": "78.9.1"
                          }
                        ]
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                "vendor_name": "Mozilla"
              }
            ]
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2021-23991",
    "datePublished": "2021-06-24T13:27:10",
    "dateReserved": "2021-01-13T00:00:00",
    "dateUpdated": "2024-08-03T19:14:10.003Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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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-X5J6-P8W8-5R65

CVE-2021-23991 (GCVE-0-2021-23991)

Tags

Sightings

Nomenclature