CVE-2024-25623
CVSS 3.1 Score 8.5 of 10 (high)
Details
Published Feb 19, 2024
Updated: Feb 20, 2024
CWE ID 434
Summary
CVE-2024-25623 is a vulnerability affecting versions of Mastodon, an open-source social network server, prior to 4.2.7, 4.1.15, 4.0.15, and 3.5.19. The flaw lies in the way Mastodon handles remote statuses, allowing a threat actor to upload a malicious Activity Streams document to a remote server. If the server accepts arbitrary user uploads and serves them with the correct media type, an attacker can impersonate an account on that server and potentially gain unauthorized access. The vulnerability is resolved in versions 4.2.7, 4.1.15, 4.0.15, and 3.5.19.
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