Vulmon
Amazon Linux AMI Security Advisory: ALAS-2023-1702
Advisory Release Date: 2023-03-17 15:53 Pacific
Advisory Updated Date: 2023-03-22 18:51 Pacific
Severity:
Important
Issue Overview:
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions. (CVE-2023-0494)
Affected Packages:
xorg-x11-server
Issue Correction:
Run yum update xorg-x11-server to update your system.
New Packages:
i686:
xorg-x11-server-common-1.17.4-18.51.amzn1.i686
xorg-x11-server-Xnest-1.17.4-18.51.amzn1.i686
xorg-x11-server-Xorg-1.17.4-18.51.amzn1.i686
xorg-x11-server-Xvfb-1.17.4-18.51.amzn1.i686
xorg-x11-server-debuginfo-1.17.4-18.51.amzn1.i686
xorg-x11-server-Xephyr-1.17.4-18.51.amzn1.i686
xorg-x11-server-devel-1.17.4-18.51.amzn1.i686
xorg-x11-server-Xdmx-1.17.4-18.51.amzn1.i686
noarch:
xorg-x11-server-source-1.17.4-18.51.amzn1.noarch
src:
xorg-x11-server-1.17.4-18.51.amzn1.src
x86_64:
xorg-x11-server-Xnest-1.17.4-18.51.amzn1.x86_64
xorg-x11-server-Xdmx-1.17.4-18.51.amzn1.x86_64
xorg-x11-server-Xephyr-1.17.4-18.51.amzn1.x86_64
xorg-x11-server-common-1.17.4-18.51.amzn1.x86_64
xorg-x11-server-Xorg-1.17.4-18.51.amzn1.x86_64
xorg-x11-server-debuginfo-1.17.4-18.51.amzn1.x86_64
xorg-x11-server-devel-1.17.4-18.51.amzn1.x86_64
xorg-x11-server-Xvfb-1.17.4-18.51.amzn1.x86_64