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.
Advisories 1
- WID-SEC-2023-0092 MediaWiki: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 19, 2023