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CVE-2023-1777GHSA-3WQ5-3F56-V5XCBIT-MATTERMOST-2023-1777

Information disclosure in linked message previews

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 7.1.6, 7.8.1, 7.7.2, 6.0.0-20230301145909-10be118d99a5, 1.4.1-0.20230301145909-10be118d99a5
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Mattermost Mattermost

    From 6.3.0 · through 7.7.1; From 6.3.0 · through 7.1.5; From 6.3.0 · through 7.8.0

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

    From 6.3.0 · fixed in 7.1.6

  • github.com/mattermost/mattermost-serverGo

    From 7.8.0 · fixed in 7.8.1

  • github.com/mattermost/mattermost-serverGo

    From 7.7.0 · fixed in 7.7.2

  • github.com/mattermost/mattermost-serverGo

    From 7.1.0 · fixed in 7.1.6

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

    From 6.0.0-20211025164829-f7a8147b825c · fixed in 6.0.0-20230301145909-10be118d99a5

  • github.com/mattermost/mattermost-serverGo

    From 1.4.1-0.20211025164829-f7a8147b825c · fixed in 1.4.1-0.20230301145909-10be118d99a5

References 1

mattermost.com