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Debian DLA-2312-1 : libx11 security update

medium Nessus Plugin ID 139340

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Synopsis

The remote Debian host is missing a security update.

Description

Todd Carson discovered some integer overflows in libX11, which could lead to heap corruption when processing crafted messages from an input method.

For Debian 9 stretch, this problem has been fixed in version 2:1.6.4-3+deb9u2.

We recommend that you upgrade your libx11 packages.

For the detailed security status of libx11 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/libx11

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2020/08/msg00008.html

https://packages.debian.org/source/stretch/libx11

https://security-tracker.debian.org/tracker/source-package/libx11

Plugin Details

Severity: Medium

ID: 139340

File Name: debian_DLA-2312.nasl

Version: 1.4

Type: local

Agent: unix

Published: 8/6/2020

Updated: 2/26/2024

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: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-14344

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:L/PR:H/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:libx11-6, p-cpe:/a:debian:debian_linux:libx11-data, p-cpe:/a:debian:debian_linux:libx11-doc, p-cpe:/a:debian:debian_linux:libx11-xcb-dev, p-cpe:/a:debian:debian_linux:libx11-xcb1, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:libx11-6-udeb, p-cpe:/a:debian:debian_linux:libx11-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/4/2020

Vulnerability Publication Date: 8/5/2020

Reference Information

CVE: CVE-2020-14344