vulnerability

Red Hat: CVE-2020-6829: CVE-2020-6829 nss: Side channel attack on ECDSA signature generation (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Sep 29, 2020
Added
Oct 1, 2020
Modified
Jul 28, 2025

Description

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.

Solutions

no-fix-redhat-rpm-packageredhat-upgrade-nsprredhat-upgrade-nspr-debuginforedhat-upgrade-nspr-develredhat-upgrade-nssredhat-upgrade-nss-debuginforedhat-upgrade-nss-debugsourceredhat-upgrade-nss-develredhat-upgrade-nss-pkcs11-develredhat-upgrade-nss-softoknredhat-upgrade-nss-softokn-debuginforedhat-upgrade-nss-softokn-develredhat-upgrade-nss-softokn-freeblredhat-upgrade-nss-softokn-freebl-debuginforedhat-upgrade-nss-softokn-freebl-develredhat-upgrade-nss-sysinitredhat-upgrade-nss-sysinit-debuginforedhat-upgrade-nss-toolsredhat-upgrade-nss-tools-debuginforedhat-upgrade-nss-utilredhat-upgrade-nss-util-debuginforedhat-upgrade-nss-util-devel
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