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CVE-2023-5367

Published: 25 October 2023

A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.

Notes

AuthorNote
mdeslaur
xorg server is actually the xorg-server package
the xorg package only contains docs
xwayland package contains parts of xorg-server

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
xorg
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
mantic Not vulnerable
(code not present)
upstream Needs triage

xorg-server
Launchpad, Ubuntu, Debian
trusty
Released (2:1.15.1-0ubuntu2.11+esm8)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
xenial
Released (2:1.18.4-0ubuntu0.12+esm6)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic
Released (2:1.19.6-1ubuntu4.15+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (21.1.9)
focal
Released (2:1.20.13-1ubuntu1~20.04.9)
jammy
Released (2:21.1.4-2ubuntu1.7~22.04.2)
lunar
Released (2:21.1.7-1ubuntu3.1)
mantic
Released (2:21.1.7-3ubuntu2.1)
Patches:
upstream: https://gitlab.freedesktop.org/xorg/xserver/-/commit/541ab2ecd41d4d8689e71855d93e492bc554719a
xwayland
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

upstream
Released (23.2.2)
jammy
Released (2:22.1.1-1ubuntu0.7)
lunar
Released (2:22.1.8-1ubuntu1.1)
mantic
Released (2:23.2.0-1ubuntu0.1)
xorg-server-hwe-16.04
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Needs triage

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needs triage

xorg-server-hwe-18.04
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needs triage

xorg-hwe-16.04
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Not vulnerable
(code not present)
bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Not vulnerable

xorg-hwe-18.04
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Not vulnerable
(code not present)
focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Not vulnerable

xorg-server-lts-utopic
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needs triage

xorg-server-lts-vivid
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needs triage

xorg-server-lts-wily
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needs triage

xorg-server-lts-xenial
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needs triage

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H