Use-after-free in X.org Server - CVE-2023-5380

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Main Vulnerability Database Vulnerabilities #VU82381

Use-after-free in X.org Server - CVE-2023-5380

Published: October 25, 2023 / Updated: December 19, 2023


Vulnerability identifier: #VU82381
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-5380
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in DestroyWindow. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Affected software

X.org Server
Debian Linux
Amazon Linux AMI
Gentoo Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, little endian
Anolis OS
SUSE Enterprise Storage
OpenBSD
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for IBM z Systems
Ubuntu
Slackware Linux
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
Basesystem Module
Development Tools Module
openSUSE Leap
openEuler
Fedora
xwayland (Ubuntu package)
xserver-xorg-core (Ubuntu package)
tigervnc-server-applet
tigervnc-license
tigervnc-icons
tigervnc-server-module
tigervnc-server-minimal
tigervnc
tigervnc-server
tigervnc (Red Hat package)
tigervnc-selinux
xorg-x11-server
xorg-x11-server-sdk
xorg-x11-server-extra-debuginfo
xorg-x11-server-extra
xorg-x11-server-debuginfo
xorg-x11-server-debugsource
xorg-x11-server-wayland
xorg-x11-server-wayland-debuginfo
xorg-x11-server-source
xorg-x11-server-Xephyr
xorg-x11-server-devel
xorg-x11-server-help
xorg-server (Debian package)
xorg-x11-server-Xdmx
xorg-x11-server-Xnest
xorg-x11-server-Xorg
xorg-x11-server-Xvfb
xorg-x11-server-common
xorg-x11-server-doc
xorg-x11-server (Red Hat package)
xorg-server-xvfb
xorg-server-xephyr
xorg-server
xorg-server-xnest
xorg-server-xwayland
xorg-x11-server-Xvfb-debuginfo
x11-base/xorg-server
x11-base/xwayland

How to mitigate CVE-2023-5380

Install updates from vendor's website.

X.org Server - update to 21.1.9
xwayland (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 2:1.20.13-1ubuntu1~20.04.9, 2:22.1.1-1ubuntu0.7, 2:22.1.8-1ubuntu1.1, 2:23.2.0-1ubuntu0.1
xserver-xorg-core (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 2:1.20.13-1ubuntu1~20.04.9, 2:21.1.4-2ubuntu1.7~22.04.2, 2:21.1.7-1ubuntu3.1, 2:21.1.7-3ubuntu2.1
tigervnc-server-applet - update to 1.8.0-26
tigervnc-license - addressed in versions 1.8.0-26, 1.13.1-10.0.1
tigervnc-icons - addressed in versions 1.8.0-26, 1.13.1-10.0.1
tigervnc-server-module - addressed in versions 1.8.0-26, 1.13.1-10.0.1
tigervnc-server-minimal - addressed in versions 1.8.0-26, 1.13.1-10.0.1
tigervnc - addressed in versions 1.8.0-26, 1.13.1-10.0.1
tigervnc-server - addressed in versions 1.8.0-26, 1.13.1-10.0.1
tigervnc (Red Hat package) - addressed in versions 1.8.0-26.el7_9, 1.13.1-8.el8, 1.13.1-8.el9
tigervnc - addressed in versions 1.12.0, 1.13.1
tigervnc - addressed in versions 1.13.1-6.fc37, 1.13.1-6.fc38, 1.13.1-6.fc39
tigervnc-selinux - update to 1.13.1-10.0.1
xorg-x11-server - addressed in versions 1.17.4-18.52, 1.20.14-26
xorg-x11-server-sdk - addressed in versions 1.19.6-10.56.1, 1.20.3-150200.22.5.79.1, 1.20.3-150400.38.29.1, 21.1.4-150500.7.7.1
xorg-x11-server - addressed in versions 1.19.6-10.56.1, 1.20.3-150200.22.5.79.1, 1.20.3-150400.38.29.1, 21.1.4-150500.7.7.1
xorg-x11-server-extra-debuginfo - addressed in versions 1.19.6-10.56.1, 1.20.3-150200.22.5.79.1, 1.20.3-150400.38.29.1, 21.1.4-150500.7.7.1
xorg-x11-server-extra - addressed in versions 1.19.6-10.56.1, 1.20.3-150200.22.5.79.1, 1.20.3-150400.38.29.1, 21.1.4-150500.7.7.1
xorg-x11-server-debuginfo - addressed in versions 1.19.6-10.56.1, 1.20.3-150200.22.5.79.1, 1.20.3-150400.38.29.1, 21.1.4-150500.7.7.1
xorg-x11-server-debugsource - addressed in versions 1.19.6-10.56.1, 1.20.3-150200.22.5.79.1, 1.20.3-150400.38.29.1, 21.1.4-150500.7.7.1
xorg-x11-server-wayland - update to 1.20.3-150200.22.5.79.1
xorg-x11-server-wayland-debuginfo - update to 1.20.3-150200.22.5.79.1
xorg-x11-server-source - addressed in versions 1.20.3-150400.38.29.1, 21.1.4-150500.7.7.1
xorg-x11-server-debuginfo - update to 1.20.8-21
xorg-x11-server - update to 1.20.8-21
xorg-x11-server-debugsource - update to 1.20.8-21
xorg-x11-server-Xephyr - update to 1.20.8-21
xorg-x11-server-devel - update to 1.20.8-21
xorg-x11-server-help - update to 1.20.8-21
xorg-server (Debian package) - addressed in versions 2:1.20.11-1+deb11u8, 2:21.1.7-3+deb12u2
xorg-x11-server-Xdmx - addressed in versions 1.20.11-16.0.5, 1.20.14-12
xorg-x11-server-Xephyr - addressed in versions 1.20.11-16.0.5, 1.20.14-12
xorg-x11-server-Xnest - addressed in versions 1.20.11-16.0.5, 1.20.14-12
xorg-x11-server-Xorg - addressed in versions 1.20.11-16.0.5, 1.20.14-12
xorg-x11-server-Xvfb - addressed in versions 1.20.11-16.0.5, 1.20.14-12
xorg-x11-server-common - addressed in versions 1.20.11-16.0.5, 1.20.14-12
xorg-x11-server-devel - addressed in versions 1.20.11-16.0.5, 1.20.14-12
xorg-x11-server-doc - update to 1.20.11-16.0.5
xorg-x11-server-source - addressed in versions 1.20.11-16.0.5, 1.20.14-12
xorg-x11-server (Red Hat package) - addressed in versions 1.20.11-22.el8, 1.20.11-24.el9
xorg-server-xvfb - update to 1.20.14
xorg-server-xephyr - update to 1.20.14
xorg-server - update to 1.20.14
xorg-server-xnest - update to 1.20.14
xorg-x11-server - addressed in versions 1.20.14-26.fc37, 1.20.14-26.fc38, 1.20.14-26.fc39
xorg-server-xwayland - update to 21.1.4
xorg-x11-server-Xvfb-debuginfo - update to 21.1.4-150500.7.7.1
xorg-x11-server-Xvfb - update to 21.1.4-150500.7.7.1
x11-base/xorg-server - update to 21.1.11
x11-base/xwayland - update to 23.2.4

External References

Related Security Bulletins