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CVE-2020-6795 (GCVE-0-2020-6795)

Vulnerability from cvelistv5 – Published: 2020-03-02 04:05 – Updated: 2024-08-04 09:11
VLAI
Summary
When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • Crash processing S/MIME messages with multiple signatures
Assigner
References
URL Tags
https://www.mozilla.org/security/advisories/mfsa2… x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1611105 x_refsource_MISC
https://security.gentoo.org/glsa/202003-10 vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4328-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4335-1/ vendor-advisoryx_refsource_UBUNTU
Impacted products
Vendor Product Version CPE status
Mozilla Thunderbird Affected: unspecified , < 68.5 (custom)
guessed Create a notification for this product.
Show details on NVD website
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.