This update for Botan to version 1.10.9 fixes the following issues:
These security issues were fixed:
- CVE-2015-5726: The BER decoder in Botan 0.10.x allowed remote attackers to cause a denial of service (application crash) via an empty BIT STRING in ASN.1 data (bsc#968025).
- CVE-2015-5727: The BER decoder in Botan 1.10.x allowed remote attackers to cause a denial of service (memory consumption) via unspecified vectors, related to a length field (bsc#968026).
- CVE-2015-7827: Botan make it easier for remote attackers to conduct million-message attacks by measuring time differences, related to decoding of PKCS#1 padding (bsc#968030).
- CVE-2016-2849: Botan do not use a constant-time algorithm to perform a modular inverse on the signature nonce k, which might allowed remote attackers to obtain ECDSA secret keys via a timing side-channel attack (bsc#977420).
- CVE-2016-9132: In Botan 1.8.0 when decoding BER data an integer overflow could occur, which would cause an incorrect length field to be computed. Some API callers may use the returned (incorrect and attacker controlled) length field in a way which later caused memory corruption or other failure (bsc#1013209).
- CVE-2016-2194: The ressol function in Botan allowed remote attackers to cause a denial of service (infinite loop) via unspecified input to the OS2ECP function, related to a composite modulus (bsc#965621).
- CVE-2016-2195: Integer overflow in the PointGFp constructor in Botan allowed remote attackers to overwrite memory and possibly execute arbitrary code via a crafted ECC point, which triggers a heap-based buffer overflow (bsc#965620).
- CVE-2017-2801: Incorrect comparison in X.509 DN strings (bsc#1033605).
- CVE-2014-9742: The Miller-Rabin primality check in Botan improperly used a single random base, which made it easier for remote attackers to defeat cryptographic protection mechanisms via a DH group (bsc#974521).
These non-security issues were fixed:
- Fixed EAX tag verification to run in...