Security Advisory
CVE-2019-14317
5.3
MEDIUM
Vulnerability Description
wolfSSL and wolfCrypt 4.1.0 and earlier (formerly known as CyaSSL) generate biased DSA nonces. This allows a remote attacker to compute the long term private key from several hundred DSA signatures via a lattice attack. The issue occurs because dsa.c fixes two bits of the generated nonces.
Published Date
December 11, 2019
Official Source
NIST NVD Advisory