CVE-2020-6829 Affecting firefox package, versions <80.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.19% (58th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOX-608754
  • published1 Aug 2020
  • disclosed28 Oct 2020

Introduced: 1 Aug 2020

CVE-2020-6829  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox to version 80.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Scores

version 3.1