Note:
This project will be discontinued after December 13, 2021. [more]
2019-12-11
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.
| Products | Wolfssl |
| Type | Missing Encryption of Sensitive Data (CWE-311) |
| First patch | - None (likely due to unavailable code) |
| Links | https://www.wolfssl.com/docs/security-vulnerabilities/ |