Stashcat ≫ Heinekingmedia

An issue was discovered in heinekingmedia StashCat through 1.7.5 for Android. The keystore is locked with a hard-coded password. Therefore, everyone with access to the keystore can read the content out, for example the private key of the user.

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. The product's protocol only tries to ensure confidentiality. In the whole protocol, no integrity or authenticity ch...

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. For authentication, the user password is hashed directly with SHA-512 without a salt or another key-derivation mech...

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. To encrypt messages, AES in CBC mode is used with a pseudo-random secret. This secret and the IV are generated with...

An issue was discovered in heinekingmedia StashCat through 1.7.5 for Android. The login credentials are written into a log file on the device. Hence, an attacker with access to the logs can read them.

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. The logout mechanism does not check for authorization. Therefore, an attacker only needs to know the device ID. Thi...

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 sto...