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Ubuntu: (Multiple Advisories) (CVE-2020-12401): Firefox regressions

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Ubuntu: (Multiple Advisories) (CVE-2020-12401): Firefox regressions

Severity
2
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Published
08/10/2020
Created
08/13/2020
Added
08/11/2020
Modified
03/15/2022

Description

During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Solution(s)

  • ubuntu-upgrade-firefox
  • ubuntu-upgrade-libnss3

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