Missing Encryption of Sensitive Data Affecting wolfssl package, versions <4.2.0+dfsg-1


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
1.76% (75th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-DEBIANUNSTABLE-WOLFSSL-537676
  • published12 Dec 2019
  • disclosed11 Dec 2019

Introduced: 11 Dec 2019

CVE-2019-14317  (opens in a new tab)
CWE-311  (opens in a new tab)

How 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.

CVSS Base Scores

version 3.1