Debian DSA-4803-1 : xorg-server - security update

high Nessus Plugin ID 143505

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Synopsis

The remote Debian host is missing a security-related update.

Description

Jan-Niklas Sohn discovered that the XKB extension of the Xorg X server performed incomplete input validation, which could result in privilege escalation.

Solution

Upgrade the xorg-server packages.

For the stable distribution (buster), these problems have been fixed in version 2:1.20.4-1+deb10u2.

Plugin Details

Severity: High

ID: 143505

File Name: debian_DSA-4803.nasl

Version: 1.5

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 12/7/2020

Updated: 2/6/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2020-14360

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/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

CVSS Score Source: CVE-2020-25712

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:xorg-server

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/4/2020

Vulnerability Publication Date: 12/15/2020

Reference Information

CVE: CVE-2020-14360, CVE-2020-25712

DSA: 4803

Detections

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