CVE-2024-25623
Vulnerability from cvelistv5
Published
2024-02-19 15:28
Modified
2024-08-01 23:44
Severity ?
8.5 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
Summary
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.2.7, 4.1.15, 4.0.15, and 3.5.19, when fetching remote statuses, Mastodon doesn't check that the response from the remote server has a `Content-Type` header value of the Activity Streams media type, which allows a threat actor to upload a crafted Activity Streams document to a remote server and make a Mastodon server fetch it, if the remote server accepts arbitrary user uploads. The vulnerability allows a threat actor to impersonate an account on a remote server that satisfies all of the following properties: allows the attacker to register an account; accepts arbitrary user-uploaded documents and places them on the same domain as the ActivityPub actors; and serves user-uploaded document in response to requests with an `Accept` header value of the Activity Streams media type. Versions 4.2.7, 4.1.15, 4.0.15, and 3.5.19 contain a fix for this issue.
References
security-advisories@github.comhttps://github.com/mastodon/mastodon/commit/9fee5e852669e26f970e278021302e1a203fc022Patch
security-advisories@github.comhttps://github.com/mastodon/mastodon/security/advisories/GHSA-jhrq-qvrm-qr36Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/mastodon/mastodon/commit/9fee5e852669e26f970e278021302e1a203fc022Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/mastodon/mastodon/security/advisories/GHSA-jhrq-qvrm-qr36Vendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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