Vulnerabilities > CVE-2023-36460 - Unspecified vulnerability in Joinmastodon Mastodon
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
Mastodon is a free, open-source social network server based on ActivityPub. Starting in version 3.5.0 and prior to versions 3.5.9, 4.0.5, and 4.1.3, attackers using carefully crafted media files can cause Mastodon's media processing code to create arbitrary files at any location. This allows attackers to create and overwrite any file Mastodon has access to, allowing Denial of Service and arbitrary Remote Code Execution. Versions 3.5.9, 4.0.5, and 4.1.3 contain a patch for this issue.
Vulnerable Configurations
Related news
References
- http://www.openwall.com/lists/oss-security/2023/07/06/4
- http://www.openwall.com/lists/oss-security/2023/07/06/4
- https://github.com/mastodon/mastodon/commit/dc8f1fbd976ae544720a4e07120d9a91b2722440
- https://github.com/mastodon/mastodon/commit/dc8f1fbd976ae544720a4e07120d9a91b2722440
- https://github.com/mastodon/mastodon/releases/tag/v3.5.9
- https://github.com/mastodon/mastodon/releases/tag/v3.5.9
- https://github.com/mastodon/mastodon/releases/tag/v4.0.5
- https://github.com/mastodon/mastodon/releases/tag/v4.0.5
- https://github.com/mastodon/mastodon/releases/tag/v4.1.3
- https://github.com/mastodon/mastodon/releases/tag/v4.1.3
- https://github.com/mastodon/mastodon/security/advisories/GHSA-9928-3cp5-93fm
- https://github.com/mastodon/mastodon/security/advisories/GHSA-9928-3cp5-93fm