Improper Verification of Cryptographic Signature

Impact The verifyWithMessage method of tEnvoyNaClSigningKey always returns true for any signature of a SHA-512 hash matching the SHA-512 hash of the message even if the signature is invalid. Patches Upgrade to v7.0.3 immediately to resolve this issue. Since the vulnerability lies within the...

CVE-2017-11136: Undefined Security Weakness

An issue was discovered in heinekingmedia StashCat through 1.7.5 for Android, through 0.0.80w for Web, and through 0.0.86 for Desktop. It uses RSA to exchange a secret for symmetric encryption of messages. However, the private RSA key is not only stored on the client but transmitted to the backen...