MGASA-2018-0432

Updated mbedtls package fixes security vulnerabilities:

Fixed a vulnerability in the TLS ciphersuites based on use of CBC and SHA-384 in DTLS/TLS 1.0 to 1.2, that allowed an active network attacker to partially recover the plaintext of messages under certains conditions by exploiting timing side-channels (CVE-2018-0497).

Fixed a vulnerability in TLS ciphersuites based on CBC, in DTLS/TLS 1.0 to 1.2, that allowed a local attacker, with the ability to execute code on the local machine as well as to manipulate network packets, to partially recover the plaintext of messages under certain conditions (CVE-2018-0498).

Fixed an issue in the X.509 module which could lead to a buffer overread during certificate extensions parsing (no CVE assigned).