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CVE-2023-5969GHSA-W496-F5QQ-M58J

Denial of Service via Link Preview in /api/v4/redirect_location

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 7.8.12, 8.0.4, 8.1.3, 9.0.1
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Mattermost Mattermost

    through 7.8.11; through 8.0.3; through 8.1.2; through 9.0.0

  • github.com/mattermost/mattermost-server/v6Go

    fixed in 7.8.12

  • github.com/mattermost/mattermost/server/v8Go

    From 8.0.0 · fixed in 8.0.4

  • github.com/mattermost/mattermost/server/v8Go

    From 8.1.0 · fixed in 8.1.3

  • github.com/mattermost/mattermost/server/v8Go

    From 9.0.0 · fixed in 9.0.1

References 1

mattermost.com