FKIE_CVE-2021-29957

Vulnerability from fkie_nvd - Published: 2021-06-24 14:15 - Updated: 2024-11-21 06:02
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Summary
If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1673241Exploit, Patch, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-22/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1673241Exploit, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-22/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
mozilla thunderbird *
To clipboard 

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              "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F2DF6E3A-0B84-480C-841C-8A6270BEC798",
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  "descriptions": [
    {
      "lang": "en",
      "value": "If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird \u003c 78.10.2."
    },
    {
      "lang": "es",
      "value": "Si un correo electr\u00f3nico codificado con MIME contiene una parte del mensaje firmada o cifrada con OpenPGP en l\u00ednea, pero tambi\u00e9n contiene una parte adicional no protegida, Thunderbird no indicaba que s\u00f3lo algunas partes del mensaje estaban protegidas. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 78.10.2"
    }
  ],
  "id": "CVE-2021-29957",
  "lastModified": "2024-11-21T06:02:03.563",
  "metrics": {
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        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
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  "published": "2021-06-24T14:15:10.110",
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      "source": "security@mozilla.org",
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}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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