Missing Encryption of Sensitive Data Affecting wolfssl package, versions <4.2.0+dfsg-1
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-WOLFSSL-537676
- published 12 Dec 2019
- disclosed 11 Dec 2019
Introduced: 11 Dec 2019
CVE-2019-14317 Open this link in a new tabHow to fix?
Upgrade Debian:unstable wolfssl to version 4.2.0+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wolfssl package and not the wolfssl package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.