CVE-2024-56141 Minosoft has IV equal to key

Minosoft is an open-source, multi-version Minecraft Java Edition client written in Kotlin. Starting in commit f1ae30e2b046a490026a8413b075685deb795122, the CryptManager encryption routine CryptManager.kt initializes its AES cipher using an initialization vector IV that is set equal to the secret...

CVE-2024-56141

Minosoft’s open-source Minecraft Java Edition client (Kotlin) uses AES with an IV equal to the secret key in CryptManager.kt since commit f1ae30e2. The non-random IV makes encryption vulnerable to chosen-ciphertext/plaintext attacks, enabling an attacker who can request specific encryptions to re...