Security Advisory

CVE-2019-14317

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2019-12-11 17:30:30

Last updated 2024-08-05 00:12:43

Assigner mitre

CVSS score not scored

State PUBLISHED

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.

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