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CVE-2024-24988GO-2024-2589BIT-MATTERMOST-2024-24988GHSA-6MX3-9QFH-77GJ

Excessive resource consumption when sending long emoji names in user custom status

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 9.2.5+incompatible, 9.3.1+incompatible, 9.3.1, 9.2.5
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Mattermost Mattermost

    through 9.2.4; through 8.1.8; through 9.3.0

  • github.com/mattermost/mattermost-serverGo

    From 9.2.0+incompatible · fixed in 9.2.5+incompatible; From 9.3.0+incompatible · fixed in 9.3.1+incompatible

  • github.com/mattermost/mattermost-server/v5Go

    All versions

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

    All versions

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

    All versions

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

    From 9.3.0 · fixed in 9.3.1

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

    From 9.2.0 · fixed in 9.2.5

References 1

mattermost.com