ALAS-2024-2378

Amazon Linux 2 Security Advisory: ALAS-2024-2378
Advisory Release Date: 2024-01-03 21:04 Pacific
Advisory Updated Date: 2024-01-09 17:59 Pacific
Severity: Important
Issue Overview:

A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved. (CVE-2023-6377)

A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information. (CVE-2023-6478)


Affected Packages:

xorg-x11-server


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update xorg-x11-server to update your system.

New Packages:
aarch64:
    xorg-x11-server-common-1.20.4-22.amzn2.0.3.aarch64
    xorg-x11-server-Xorg-1.20.4-22.amzn2.0.3.aarch64
    xorg-x11-server-Xnest-1.20.4-22.amzn2.0.3.aarch64
    xorg-x11-server-Xdmx-1.20.4-22.amzn2.0.3.aarch64
    xorg-x11-server-Xvfb-1.20.4-22.amzn2.0.3.aarch64
    xorg-x11-server-Xephyr-1.20.4-22.amzn2.0.3.aarch64
    xorg-x11-server-Xwayland-1.20.4-22.amzn2.0.3.aarch64
    xorg-x11-server-devel-1.20.4-22.amzn2.0.3.aarch64
    xorg-x11-server-debuginfo-1.20.4-22.amzn2.0.3.aarch64

i686:
    xorg-x11-server-common-1.20.4-22.amzn2.0.3.i686
    xorg-x11-server-Xorg-1.20.4-22.amzn2.0.3.i686
    xorg-x11-server-Xnest-1.20.4-22.amzn2.0.3.i686
    xorg-x11-server-Xdmx-1.20.4-22.amzn2.0.3.i686
    xorg-x11-server-Xvfb-1.20.4-22.amzn2.0.3.i686
    xorg-x11-server-Xephyr-1.20.4-22.amzn2.0.3.i686
    xorg-x11-server-Xwayland-1.20.4-22.amzn2.0.3.i686
    xorg-x11-server-devel-1.20.4-22.amzn2.0.3.i686
    xorg-x11-server-debuginfo-1.20.4-22.amzn2.0.3.i686

noarch:
    xorg-x11-server-source-1.20.4-22.amzn2.0.3.noarch

src:
    xorg-x11-server-1.20.4-22.amzn2.0.3.src

x86_64:
    xorg-x11-server-common-1.20.4-22.amzn2.0.3.x86_64
    xorg-x11-server-Xorg-1.20.4-22.amzn2.0.3.x86_64
    xorg-x11-server-Xnest-1.20.4-22.amzn2.0.3.x86_64
    xorg-x11-server-Xdmx-1.20.4-22.amzn2.0.3.x86_64
    xorg-x11-server-Xvfb-1.20.4-22.amzn2.0.3.x86_64
    xorg-x11-server-Xephyr-1.20.4-22.amzn2.0.3.x86_64
    xorg-x11-server-Xwayland-1.20.4-22.amzn2.0.3.x86_64
    xorg-x11-server-devel-1.20.4-22.amzn2.0.3.x86_64
    xorg-x11-server-debuginfo-1.20.4-22.amzn2.0.3.x86_64

Additional References

Red Hat: CVE-2023-6377, CVE-2023-6478

Mitre: CVE-2023-6377, CVE-2023-6478