CVE-2022-3257

Published on: Not Yet Published

Last Modified on: 09/26/2022 10:23:00 PM UTC

CVE-2022-3257 - advisory for MMSA-2022-00115

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

Certain versions of Mattermost Server from Mattermost contain the following vulnerability:

Mattermost version 7.1.x 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-2022-3257 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 <= 7.1.x

CVSS3 Score: 6.5 - MEDIUM

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

CVE References

Description Tags Link
HackerOne hackerone.com
text/html
URL Logo MISC hackerone.com/reports/1620170
Security Updates - Mattermost Open Source Collaboration Platform mattermost.com
text/html
URL Logo MISC mattermost.com/security-updates/

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMattermostMattermost ServerAllAllAllAll
  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*:

Discovery Credit

Thanks to Philippe Antoine (catenacyber) for contributing to this improvement under the Mattermost responsible disclosure policy.

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2022-3257 : Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file… twitter.com/i/web/status/1… 2022-09-23 15:05:18
© CVE.report 2022 Twitter Nitter Twitter Viewer |

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