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CVE-2020-6829 Affecting nss package, versions <2:3.26.2-1.1+deb9u2

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.12% (46th percentile)
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NVD
5.3 medium
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SUSE
5.3 medium
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Red Hat
4.4 medium

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  • Snyk ID SNYK-DEBIAN9-NSS-597150
  • published 1 Aug 2020
  • disclosed 28 Oct 2020
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Introduced: 1 Aug 2020

CVE-2020-6829 Open this link in a new tab

How to fix?

Upgrade Debian:9 nss to version 2:3.26.2-1.1+deb9u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss package and not the nss package as distributed by Debian. See How to fix? for Debian:9 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.