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Ubuntu: (Multiple Advisories) (CVE-2020-6829): NSS vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2020-6829): NSS vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
08/10/2020
Created
08/13/2020
Added
08/11/2020
Modified
03/22/2023

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.

Solution(s)

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

References

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