CVE-2024-37903
Mastodon has improper authorship check on audience extension for existing posts
- State
- Published
- Severity
- 8.2 High
- Published
- Jul 5, 2024
- Updated
- Aug 2, 2024
- Reserved
- Jun 10, 2024
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.2 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N | GitHub_M |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
mastodonmastodon |
|
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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