CVE-2023-22912

5.3MEDIUM

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-use

Published: 1/20/2023Updated: 4/3/2025
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Description

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-used) nonce, allowing an adversary to decrypt.

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Affected Products

mediawikimediawiki
mediawikimediawiki
mediawikimediawiki
1.39.0
mediawikimediawiki
1.39.0
mediawikimediawiki
1.39.0

References