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Amazon Linux AMI 2: CVE-2024-7531: Security patch for firefox (ALASFIREFOX-2024-030)

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Amazon Linux AMI 2: CVE-2024-7531: Security patch for firefox (ALASFIREFOX-2024-030)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/06/2024
Created
09/20/2024
Added
09/19/2024
Modified
09/19/2024

Description

Calling `PK11_Encrypt()` in NSS using CKM_CHACHA20 and the same buffer for input and output can result in plaintext on an Intel Sandy Bridge processor. In Firefox this only affects the QUIC header protection feature when the connection is using the ChaCha20-Poly1305 cipher suite. The most likely outcome is connection failure, but if the connection persists despite the high packet loss it could be possible for a network observer to identify packets as coming from the same source despite a network path change. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1.

Solution(s)

  • amazon-linux-ami-2-upgrade-firefox
  • amazon-linux-ami-2-upgrade-firefox-debuginfo

References

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