Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2019-19963

Published: 25 December 2019

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.

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
wolfssl
Launchpad, Ubuntu, Debian
bionic Needs triage

disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(4.3.0+dfsg-2)
trusty Does not exist

upstream
Released (4.3.0+dfsg-1)
impish Not vulnerable
(4.3.0+dfsg-2)
groovy Not vulnerable
(4.3.0+dfsg-2)
hirsute Not vulnerable
(4.3.0+dfsg-2)
xenial Needs triage

jammy Not vulnerable
(4.3.0+dfsg-2)
kinetic Not vulnerable
(4.3.0+dfsg-2)
lunar Not vulnerable
(4.3.0+dfsg-2)
mantic Not vulnerable
(4.3.0+dfsg-2)

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N