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Amazon Linux 2023: CVE-2024-31080: Important priority package update for xorg-x11-server

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Amazon Linux 2023: CVE-2024-31080: Important priority package update for xorg-x11-server

Severity
6
CVSS
(AV:L/AC:L/Au:S/C:C/I:P/A:C)
Published
04/03/2024
Created
02/14/2025
Added
02/14/2025
Modified
02/14/2025

Description

A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIGetSelectedEvents() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a different endianness. This vulnerability could be exploited by an attacker to cause the X server to read heap memory values and then transmit them back to the client until encountering an unmapped page, resulting in a crash. Despite the attacker's inability to control the specific memory copied into the replies, the small length values typically stored in a 32-bit integer can result in significant attempted out-of-bounds reads.

Solution(s)

  • amazon-linux-2023-upgrade-xorg-x11-server-common
  • amazon-linux-2023-upgrade-xorg-x11-server-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-debugsource
  • amazon-linux-2023-upgrade-xorg-x11-server-devel
  • amazon-linux-2023-upgrade-xorg-x11-server-source
  • amazon-linux-2023-upgrade-xorg-x11-server-xdmx
  • amazon-linux-2023-upgrade-xorg-x11-server-xdmx-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-xephyr
  • amazon-linux-2023-upgrade-xorg-x11-server-xephyr-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-xnest
  • amazon-linux-2023-upgrade-xorg-x11-server-xnest-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-xorg
  • amazon-linux-2023-upgrade-xorg-x11-server-xorg-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-xvfb
  • amazon-linux-2023-upgrade-xorg-x11-server-xvfb-debuginfo

References

  • https://attackerkb.com/topics/cve-2024-31080
  • CVE - 2024-31080
  • https://alas.aws.amazon.com/AL2023/ALAS-2024-583.html
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