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Gentoo: GLSA-202401-30 Normal: X.Org X Server Critical Remote Threat

gentoo
Calendar Grey January 31, 2024
Dist Gentoo Esm H88
Gentoo releases urgent notice on security flaws within X.Org X Server and XWayland, posing risks to user devices.
Multiple vulnerabilities have been discovered in the Xorg Server and XWayland, the worst of which can result in privilege escalation or remote code execution

Summary

Multiple vulnerabilities have been discovered in X.Org X Server and XWayland. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory remote code execution privilege escalation normal severity X.Org XWayland

Resolution

All X.Org X Server users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=x11-base/xorg-server-21.1.11"
All XWayland users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=x11-base/xwayland-23.2.4"

References

[ 1 ] CVE-2023-5367 https://nvd.nist.gov/vuln/detail/CVE-2023-5367 [ 2 ] CVE-2023-5380 https://nvd.nist.gov/vuln/detail/CVE-2023-5380 [ 3 ] CVE-2023-6377 https://nvd.nist.gov/vuln/detail/CVE-2023-6377 [ 4 ] CVE-2023-6478 https://nvd.nist.gov/vuln/detail/CVE-2023-6478 [ 5 ] CVE-2023-6816 https://nvd.nist.gov/vuln/detail/CVE-2023-6816 [ 6 ] CVE-2024-0229 https://nvd.nist.gov/vuln/detail/CVE-2024-0229 [ 7 ] CVE-2024-0408 https://nvd.nist.gov/vuln/detail/CVE-2024-0408 [ 8 ] CVE-2024-0409 https://nvd.nist.gov/vuln/detail/CVE-2024-0409 [ 9 ] CVE-2024-21885 https://nvd.nist.gov/vuln/detail/CVE-2024-21885 [ 10 ] CVE-2024-21886 https://nvd.nist.gov/vuln/detail/CVE-2024-21886

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202401-30
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: X.Org X Server, XWayland: Multiple Vulnerabilities
Date: January 31, 2024
Bugs: #916254, #919803, #922395
ID: 202401-30

Topics%20covered

Topics Covered

security advisory remote code execution privilege escalation normal severity X.Org XWayland

Synopsis

Multiple vulnerabilities have been discovered in the Xorg Server and XWayland, the worst of which can result in privilege escalation or remote code execution.

Background

The X Window System is a graphical windowing system based on a client/server model.

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Affected Packages

Package Vulnerable Unaffected -------------------- ------------ ------------ x11-base/xorg-server < 21.1.11 >= 21.1.11 x11-base/xwayland < 23.2.4 >= 23.2.4

Impact

The X server can be crashed by a malicious client, or potentially be compromised for remote code execution in environments with X11 forwarding.

Workaround

Users can ensure no untrusted clients can access the running X implementation.

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