This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2020-6829 →

DEBIAN-CVE-2020-6829

When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; which leaked partial information about the nonce use...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 nss

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.55-1"}]}]

Debian:13 nss

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.55-1"}]}]

Debian:14 nss

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.55-1"}]}]

References

advisory security-tracker.debian.org