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Ubuntu: (Multiple Advisories) (CVE-2017-7822): Firefox regression

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Ubuntu: (Multiple Advisories) (CVE-2017-7822): Firefox regression

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
09/28/2017
Created
07/25/2018
Added
10/03/2017
Modified
03/02/2020

Description

The AES-GCM implementation in WebCrypto API accepts 0-length IV when it should require a length of 1 according to the NIST Special Publication 800-38D specification. This might allow for the authentication key to be determined in some instances. This vulnerability affects Firefox < 56.

Solution(s)

  • ubuntu-upgrade-firefox

References

  • USN-3435-1
  • USN-3435-2
  • CVE-2017-7822

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