MGASA-2021-0563 Updated botan2 packages fix security vulnerability

Updated botan2 packages fix security vulnerability: The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the...

MGASA-2021-0329 Updated botan2 packages fix security vulnerability

Updated botan2 packages fix security vulnerability: In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations base32, base58, base64, and hex CVE-2021-24115...

MGASA-2020-0308 Updated botan2 packages fix security vulnerability

The CBC padding operations were not constant time and as a result would leak the length of the plaintext values which were being padded to an attacker running a side channel attack via shared resources such as cache or branch predictor. No information about the contents was leaked, but the length...