Vulnerability CVE-2023-42451


Published: 2023-09-19

Description:
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2, under certain circumstances, attackers can exploit a flaw in domain name normalization to spoof domains they do not own. Versions 3.5.14, 4.0.10, 4.1.8, and 4.2.0-rc2 contain a patch for this issue.

Type:

CWE-706

(Use of Incorrectly-Resolved Name or Reference)

 References:
https://github.com/mastodon/mastodon/commit/eeab3560fc0516070b3fb97e089b15ecab1938c8
https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667

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