Use-after-free in X.org Server - CVE-2023-1393

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Main Vulnerability Database Vulnerabilities #VU74180

Use-after-free in X.org Server - CVE-2023-1393

Published: March 29, 2023 / Updated: April 3, 2023


Vulnerability identifier: #VU74180
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-2023-1393
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 when processing deletion of a compositor overlay window. A local user can trigger a use-after-free error and execute arbitrary code on the system.



Affected software

X.org Server
Gentoo Linux
Oracle Linux
Debian Linux
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE CaaS Platform
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Manager Proxy
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for Power, little endian
Anolis OS
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
SUSE Enterprise Storage
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_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
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
SUSE OpenStack Cloud Crowbar
SUSE OpenStack Cloud
Oracle Solaris
SUSE Linux Enterprise Server 12 SP2 BCL
SUSE Linux Enterprise Server 12 SP4 ESPOS
SUSE Linux Enterprise Server 12 SP4 LTSS
Slackware Linux
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP1 LTSS
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
Ubuntu
openEuler
Fedora
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
tigervnc (Red Hat package)
tigervnc-server-module
tigervnc-server-minimal
tigervnc-server
tigervnc
tigervnc-icons
tigervnc-license
tigervnc-server-applet
tigervnc-selinux
xserver-xorg-core (Ubuntu package)
xwayland (Ubuntu package)
xorg-x11-server-extra
xorg-x11-server-debugsource
xorg-x11-server-debuginfo
xorg-x11-server
xorg-x11-server-extra-debuginfo
xorg-x11-server-sdk
xorg-x11-server-wayland-debuginfo
xorg-x11-server-wayland
xorg-x11-server-source
xorg-x11-server-Xorg
xorg-x11-server-devel
xorg-x11-server-common
xorg-x11-server-Xwayland
xorg-x11-server-Xvfb
xorg-x11-server-Xnest
xorg-x11-server-Xephyr
xorg-x11-server-Xdmx
xorg-x11-server (Red Hat package)
xwayland-hwe-18.04 (Ubuntu package)
xserver-xorg-core-hwe-18.04 (Ubuntu package)
xorg-x11-server-help
xorg-server (Debian package)
xorg-x11-server-doc
xorg-server
xorg-server-xvfb
xorg-server-xnest
xorg-server-xephyr
xorg-x11-server-Xwayland (Red Hat package)
xorg-server-xwayland
xwayland
xwayland-devel
xwayland-debugsource
xwayland-debuginfo
x11-base/xorg-server
x11-base/xwayland
JD Edwards EnterpriseOne Tools

How to mitigate CVE-2023-1393

Install updates from vendor's website.

X.org Server - update to 21.1.8
tigervnc (Red Hat package) - addressed in versions 1.1.0-25.el6_10.13, 1.8.0-25.el7_9, 1.9.0-15.el8_2.3, 1.9.0-16.el8_1.3, 1.11.0-8.el8_4.2, 1.11.0-22.el9_0.2, 1.12.0-5.el9_1.2, 1.12.0-6.el8_6.3, 1.12.0-9.el8_7.3
tigervnc-server-module - addressed in versions 1.8.0-25, 1.12.0-9
tigervnc-server-minimal - addressed in versions 1.8.0-25, 1.12.0-9
tigervnc-server - addressed in versions 1.8.0-25, 1.12.0-9
tigervnc - addressed in versions 1.8.0-25, 1.12.0-9
tigervnc-icons - addressed in versions 1.8.0-25, 1.12.0-9
tigervnc-license - addressed in versions 1.8.0-25, 1.12.0-9
tigervnc-server-applet - update to 1.8.0-25
tigervnc - addressed in versions 1.12.0, 1.13.1
tigervnc-selinux - update to 1.12.0-9
tigervnc - addressed in versions 1.13.1-3.fc36, 1.13.1-3.fc37, 1.13.1-3.fc38
xserver-xorg-core (Ubuntu package) - addressed in versions 2:1.19.6-1ubuntu4.15, 2:1.20.13-1ubuntu1~20.04.8, 2:21.1.3-2ubuntu2.9, 2:21.1.4-2ubuntu1.7
xwayland (Ubuntu package) - addressed in versions 2:1.19.6-1ubuntu4.15, 2:1.20.13-1ubuntu1~20.04.8, 2:22.1.1-1ubuntu0.6, 2:22.1.3-2ubuntu0.4
xorg-x11-server-extra - addressed in versions 1.19.6-4.48.1, 1.19.6-10.49.1, 1.20.3-150100.14.5.42.1, 1.20.3-150200.22.5.72.1, 1.20.3-150400.38.22.1, 7.6_1.18.3-76.66.1
xorg-x11-server-debugsource - addressed in versions 1.19.6-4.48.1, 1.19.6-10.49.1, 1.20.3-150100.14.5.42.1, 1.20.3-150200.22.5.72.1, 1.20.3-150400.38.22.1, 7.6_1.18.3-76.66.1
xorg-x11-server-debuginfo - addressed in versions 1.19.6-4.48.1, 1.19.6-10.49.1, 1.20.3-150100.14.5.42.1, 1.20.3-150200.22.5.72.1, 1.20.3-150400.38.22.1, 7.6_1.18.3-76.66.1
xorg-x11-server - addressed in versions 1.19.6-4.48.1, 1.19.6-10.49.1, 1.20.3-150100.14.5.42.1, 1.20.3-150200.22.5.72.1, 1.20.3-150400.38.22.1, 7.6_1.18.3-76.66.1
xorg-x11-server-extra-debuginfo - addressed in versions 1.19.6-4.48.1, 1.19.6-10.49.1, 1.20.3-150100.14.5.42.1, 1.20.3-150200.22.5.72.1, 1.20.3-150400.38.22.1, 7.6_1.18.3-76.66.1
xorg-x11-server-sdk - addressed in versions 1.19.6-10.49.1, 1.20.3-150100.14.5.42.1, 1.20.3-150200.22.5.72.1, 1.20.3-150400.38.22.1
xorg-x11-server-wayland-debuginfo - update to 1.20.3-150200.22.5.72.1
xorg-x11-server-wayland - update to 1.20.3-150200.22.5.72.1
xorg-x11-server-source - update to 1.20.3-150400.38.22.1
xorg-x11-server-Xorg - addressed in versions 1.20.4-23, 1.20.11-16.0.1
xorg-x11-server-source - addressed in versions 1.20.4-23, 1.20.11-16.0.1
xorg-x11-server-devel - addressed in versions 1.20.4-23, 1.20.11-16.0.1
xorg-x11-server-common - addressed in versions 1.20.4-23, 1.20.11-16.0.1
xorg-x11-server-Xwayland - addressed in versions 1.20.4-23, 22.1.9-2
xorg-x11-server-Xvfb - addressed in versions 1.20.4-23, 1.20.11-16.0.1
xorg-x11-server-Xnest - addressed in versions 1.20.4-23, 1.20.11-16.0.1
xorg-x11-server-Xephyr - addressed in versions 1.20.4-23, 1.20.11-16.0.1
xorg-x11-server-Xdmx - addressed in versions 1.20.4-23, 1.20.11-16.0.1
xorg-x11-server (Red Hat package) - addressed in versions 1.20.4-23.el7_9, 1.20.11-17.el8, 1.20.11-19.el9
xwayland-hwe-18.04 (Ubuntu package) - update to 2:1.20.8-2ubuntu2.2~18.04.11
xserver-xorg-core-hwe-18.04 (Ubuntu package) - update to 2:1.20.8-2ubuntu2.2~18.04.11
xorg-x11-server-help - update to 1.20.8-17
xorg-x11-server-Xephyr - update to 1.20.8-17
xorg-x11-server-devel - update to 1.20.8-17
xorg-x11-server-debuginfo - update to 1.20.8-17
xorg-x11-server-debugsource - update to 1.20.8-17
xorg-x11-server - update to 1.20.8-17
xorg-server (Debian package) - update to 2:1.20.11-1+deb11u6
xorg-x11-server-doc - update to 1.20.11-16.0.1
xorg-server - update to 1.20.14
xorg-server-xvfb - update to 1.20.14
xorg-server-xnest - update to 1.20.14
xorg-server-xephyr - update to 1.20.14
xorg-x11-server - addressed in versions 1.20.14-21.fc36, 1.20.14-21.fc37, 1.20.14-21.fc38
xorg-x11-server-Xwayland (Red Hat package) - addressed in versions 21.1.3-12.el8, 22.1.9-2.el9
xorg-server-xwayland - update to 21.1.4
xwayland - update to 21.1.4-150400.3.15.1
xwayland-devel - update to 21.1.4-150400.3.15.1
xwayland-debugsource - update to 21.1.4-150400.3.15.1
xwayland-debuginfo - update to 21.1.4-150400.3.15.1
x11-base/xorg-server - update to 21.1.8
xorg-x11-server-Xwayland - addressed in versions 22.1.9-1.fc36, 22.1.9-1.fc37, 22.1.9-1.fc38
x11-base/xwayland - update to 23.1.1

External References

Related Security Bulletins