CVE-2024-37903

Summary

Mastodon is a self-hosted, federated microblogging platform. Starting in version 2.6.0 and prior to versions 4.1.18 and 4.2.10, by crafting specific activities, an attacker can extend the audience of a post they do not own to other Mastodon users on a target server, thus gaining access to the contents of a post not intended for them. Versions 4.1.18 and 4.2.10 contain a patch for this issue.

Affected Software

Weaknesses

• CWE-862: CWE-862: Missing Authorization

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

CVE Program Container

Additional References

• https://github.com/mastodon/mastodon/security/advisories/GHSA-xjvf-fm67-4qc3
• https://github.com/mastodon/mastodon/commit/a1c7aae28aecf06659c5b18cfa131b37cd1512a3
• https://github.com/mastodon/mastodon/commit/d4bf22b632ea8b1174375c4966a6768ab66393b6
• https://github.com/mastodon/mastodon/releases/tag/v4.1.18
• https://github.com/mastodon/mastodon/releases/tag/v4.2.10

References

• https://github.com/mastodon/mastodon/security/advisories/GHSA-xjvf-fm67-4qc3
• https://github.com/mastodon/mastodon/commit/a1c7aae28aecf06659c5b18cfa131b37cd1512a3
• https://github.com/mastodon/mastodon/commit/d4bf22b632ea8b1174375c4966a6768ab66393b6
• https://github.com/mastodon/mastodon/releases/tag/v4.1.18
• https://github.com/mastodon/mastodon/releases/tag/v4.2.10

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