Debian DSA-3224-1 : libx11 - security update

high Nessus Plugin ID 82746

Synopsis

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

Description

Abhishek Arya discovered a buffer overflow in the MakeBigReq macro provided by libx11, which could result in denial of service or the execution of arbitrary code.

Several other xorg packages (e.g. libxrender) will be recompiled against the fixed package after the release of this update. For detailed information on the status of recompiled packages please refer to the Debian Security Tracker at https://security-tracker.debian.org/tracker/CVE-2013-7439.

Solution

Upgrade the libx11 packages.

For the stable distribution (wheezy), this problem has been fixed in version 2:1.5.0-1+deb7u2.

For the upcoming stable distribution (jessie), this problem has been fixed in version 2:1.6.0-1.

See Also

https://security-tracker.debian.org/tracker/CVE-2013-7439

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

https://www.debian.org/security/2015/dsa-3224

Plugin Details

Severity: High

ID: 82746

File Name: debian_DSA-3224.nasl

Version: 1.7

Type: local

Agent: unix

Published: 4/14/2015

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libx11, cpe:/o:debian:debian_linux:7.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/12/2015

Reference Information

CVE: CVE-2013-7439

DSA: 3224