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Unscored CVE-2019-19963 EUVD-2019-9551GHSA-gcqc-374g-rrqf

An issue was discovered in wolfSSL before 4.3.0 in a non-default configuration where DSA is enabled. DSA signing uses the BEEA algorithm du…

Published Dec 24, 2019 · Updated Aug 5, 2024 · Assigned by mitre

Description

An issue was discovered in wolfSSL before 4.3.0 in a non-default configuration where DSA is enabled. DSA signing uses the BEEA algorithm during modular inversion of the nonce, leading to a side-channel attack against the nonce.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 13 wolfssl 4.3.0+dfsg-1 —
Debian 12 wolfssl 4.3.0+dfsg-1 —
ReleasePackageFixed inAdvisory
Ubuntu 18.04 LTS wolfssl No fix yet —
Ubuntu 16.04 LTS wolfssl No fix yet —

References