CVE-2021-37865

Published on: 01/18/2022 12:00:00 AM UTC

Last Modified on: 01/24/2022 05:58:00 PM UTC

CVE-2021-37865 - advisory for MMSA-2021-0081

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Certain versions of Mattermost from Mattermost contain the following vulnerability:

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.

  • CVE-2021-37865 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Mattermost - Mattermost version <= 6.2
  • Affected Vendor/Software: URL Logo Mattermost - Mattermost version !>= 6.1.1
  • Affected Vendor/Software: URL Logo Mattermost - Mattermost version !>= 6.0.4
  • Affected Vendor/Software: URL Logo Mattermost - Mattermost version !>= 5.39.3
  • Affected Vendor/Software: URL Logo Mattermost - Mattermost version !>= 5.37.6

CVSS3 Score: 5.7 - MEDIUM

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW LOW REQUIRED
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 3.5 - LOW

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK MEDIUM SINGLE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags ⓘ Link
HackerOne hackerone.com
text/html
 URL Logo MISC hackerone.com/reports/1428260
Security Updates - Mattermost Open Source Collaboration Platform mattermost.com
text/html
 URL Logo MISC mattermost.com/security-updates/
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Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMattermostMattermostAllAllAllAll
  • cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-37865 : Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it i… twitter.com/i/web/status/1… 2022-01-18 17:16:26
Reddit Logo Icon /r/netcve CVE-2021-37865 2022-01-18 17:39:04
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