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CVE-2020-6829

Published: 5 August 2020

When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; which leaked partial information about the nonce used during signature generation. Given an electro-magnetic trace of a few signature generations, the private key could have been computed. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Priority

Medium

CVSS 3 base score: 5.3

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic
Released (80.0+build2-0ubuntu0.18.04.1)
focal
Released (80.0+build2-0ubuntu0.20.04.1)
precise Does not exist

trusty Does not exist

upstream
Released (80)
xenial
Released (80.0+build2-0ubuntu0.16.04.1)
nss
Launchpad, Ubuntu, Debian
bionic
Released (2:3.35-2ubuntu2.11)
focal
Released (2:3.49.1-1ubuntu1.4)
precise
Released (2:3.28.4-0ubuntu0.12.04.10)
trusty
Released (2:3.28.4-0ubuntu0.14.04.5+esm7)
upstream
Released (2:3.55-1)
xenial
Released (2:3.28.4-0ubuntu0.16.04.13)