[SECURITY] [DLA 3686-1] xorg-server security update

2023-12-1308:05:16

lists.debian.org

xorg-server

privilege escalation

debian 10

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.9 High

AI Score

Confidence

High

0.273 Low

EPSS

Percentile

96.8%

JSON

Debian LTS Advisory DLA-3686-1 [email protected]
https://www.debian.org/lts/security/ Thorsten Alteholz
December 13, 2023 https://wiki.debian.org/LTS

Package : xorg-server
Version : 2:1.20.4-1+deb10u11
CVE ID : CVE-2023-6377 CVE-2023-6478

Jan-Niklas Sohn discovered several vulnerabilities in the Xorg X server,
which may result in privilege escalation if the X server is running
privileged.

For Debian 10 buster, these problems have been fixed in version
2:1.20.4-1+deb10u11.

We recommend that you upgrade your xorg-server packages.

For the detailed security status of xorg-server please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/xorg-server

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

OSVersionArchitecturePackageVersionFilename
Debian11armhfxserver-xephyr-dbgsym< 2:1.20.11-1+deb11u9xserver-xephyr-dbgsym_2:1.20.11-1+deb11u9_armhf.deb
Debian11i386xvfb-dbgsym< 2:1.20.11-1+deb11u9xvfb-dbgsym_2:1.20.11-1+deb11u9_i386.deb
Debian11amd64xserver-xorg-core< 2:1.20.11-1+deb11u9xserver-xorg-core_2:1.20.11-1+deb11u9_amd64.deb
Debian12mips64elxvfb< 2:21.1.7-3+deb12u3xvfb_2:21.1.7-3+deb12u3_mips64el.deb
Debian11armhfxserver-xorg-legacy< 2:1.20.11-1+deb11u9xserver-xorg-legacy_2:1.20.11-1+deb11u9_armhf.deb
Debian12s390xxserver-xorg-core< 2:21.1.7-3+deb12u3xserver-xorg-core_2:21.1.7-3+deb12u3_s390x.deb
Debian11armelxserver-xorg-legacy-dbgsym< 2:1.20.11-1+deb11u9xserver-xorg-legacy-dbgsym_2:1.20.11-1+deb11u9_armel.deb
Debian11mips64elxserver-xorg-legacy< 2:1.20.11-1+deb11u9xserver-xorg-legacy_2:1.20.11-1+deb11u9_mips64el.deb
Debian11armhfxvfb-dbgsym< 2:1.20.11-1+deb11u9xvfb-dbgsym_2:1.20.11-1+deb11u9_armhf.deb
Debian11ppc64elxnest< 2:1.20.11-1+deb11u9xnest_2:1.20.11-1+deb11u9_ppc64el.deb

OS	Version	Architecture	Package	Version	Filename
Debian	11	armhf	xserver-xephyr-dbgsym	< 2:1.20.11-1+deb11u9	xserver-xephyr-dbgsym_2:1.20.11-1+deb11u9_armhf.deb
Debian	11	i386	xvfb-dbgsym	< 2:1.20.11-1+deb11u9	xvfb-dbgsym_2:1.20.11-1+deb11u9_i386.deb
Debian	11	amd64	xserver-xorg-core	< 2:1.20.11-1+deb11u9	xserver-xorg-core_2:1.20.11-1+deb11u9_amd64.deb
Debian	12	mips64el	xvfb	< 2:21.1.7-3+deb12u3	xvfb_2:21.1.7-3+deb12u3_mips64el.deb
Debian	11	armhf	xserver-xorg-legacy	< 2:1.20.11-1+deb11u9	xserver-xorg-legacy_2:1.20.11-1+deb11u9_armhf.deb
Debian	12	s390x	xserver-xorg-core	< 2:21.1.7-3+deb12u3	xserver-xorg-core_2:21.1.7-3+deb12u3_s390x.deb
Debian	11	armel	xserver-xorg-legacy-dbgsym	< 2:1.20.11-1+deb11u9	xserver-xorg-legacy-dbgsym_2:1.20.11-1+deb11u9_armel.deb
Debian	11	mips64el	xserver-xorg-legacy	< 2:1.20.11-1+deb11u9	xserver-xorg-legacy_2:1.20.11-1+deb11u9_mips64el.deb
Debian	11	armhf	xvfb-dbgsym	< 2:1.20.11-1+deb11u9	xvfb-dbgsym_2:1.20.11-1+deb11u9_armhf.deb
Debian	11	ppc64el	xnest	< 2:1.20.11-1+deb11u9	xnest_2:1.20.11-1+deb11u9_ppc64el.deb