Debian DSA-5278-1 : xorg-server - security update

high Nessus Plugin ID 167433

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5278 advisory.

It was discovered that a buffer overflow in the _getCountedString() function of the Xorg X server may result in denial of service or potentially the execution of arbitrary code. For the stable distribution (bullseye), these problems have been fixed in version 2:1.20.11-1+deb11u3. 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

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the xorg-server packages.

For the stable distribution (bullseye), these problems have been fixed in version 2

Plugin Details

Severity: High

ID: 167433

File Name: debian_DSA-5278.nasl

Version: 1.5

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 11/14/2022

Updated: 1/24/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2022-3550

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:xnest, p-cpe:/a:debian:debian_linux:xserver-xorg-core, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:xserver-xorg-core-udeb, p-cpe:/a:debian:debian_linux:xdmx, p-cpe:/a:debian:debian_linux:xwayland, p-cpe:/a:debian:debian_linux:xdmx-tools, p-cpe:/a:debian:debian_linux:xserver-common, p-cpe:/a:debian:debian_linux:xvfb, p-cpe:/a:debian:debian_linux:xserver-xephyr, p-cpe:/a:debian:debian_linux:xserver-xorg-dev, p-cpe:/a:debian:debian_linux:xorg-server-source, p-cpe:/a:debian:debian_linux:xserver-xorg-legacy

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/13/2022

Vulnerability Publication Date: 10/17/2022

Reference Information

CVE: CVE-2022-3550, CVE-2022-3551

Detections

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