CVE-2021-37865 (GCVE-0-2021-37865)

Vulnerability from cvelistv5 – Published: 2022-01-18 16:51 – Updated: 2024-12-06 23:11
VLAI
Title
Server-side Denial of Service while processing a specifically crafted GIF file
Summary
Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
Mattermost Mattermost Affected: unspecified , ≤ 6.2 (custom)
Unaffected: 6.1.1 , < unspecified (custom)
Unaffected: 6.0.4 , < unspecified (custom)
Unaffected: 5.39.3 , < unspecified (custom)
Unaffected: 5.37.6 , < unspecified (custom)
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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.