8.2

CVE-2024-32983

Exploit

Misskey allows the impersonation and takeover of remote accounts with unnormalized signed activities

Misskey is an open source, decentralized microblogging platform. Misskey doesn't perform proper normalization on the JSON structures of incoming signed ActivityPub activity objects before processing them, allowing threat actors to spoof the contents of signed activities and impersonate the authors of the original activities. This vulnerability is fixed in 2024.5.0.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Misskey ≫ Misskey Version < 2024.5.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.4% 0.316
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
security-advisories@github.com 8.2 3.9 4.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
CWE-863 Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

https://github.com/misskey-dev/misskey/commit/d2a5bb39e344fcb84a24ae60faafe4694b227b88
Patch
https://github.com/misskey-dev/misskey/security/advisories/GHSA-2vxv-pv3m-3wvj
Vendor Advisory
Exploit