SUSE SLES11 Security Update : xorg-x11-libX11 (SUSE-SU-2018:2934-1)

High Nessus Plugin ID 117859

Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for xorg-x11-libX11 fixes the following issues :

CVE-2018-14599: The function XListExtensions was vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact (bsc#1102062)

CVE-2018-14600: The function XListExtensions interpreted a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution (bsc#1102068)

CVE-2018-14598: A malicious server could have sent a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault) (bsc#1102073)

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

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 11-SP4:zypper in -t patch sdksp4-xorg-x11-libX11-13801=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-xorg-x11-libX11-13801=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch slessp3-xorg-x11-libX11-13801=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch sleposp3-xorg-x11-libX11-13801=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-xorg-x11-libX11-13801=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch dbgsp3-xorg-x11-libX11-13801=1

See Also

https://bugzilla.suse.com/1102062

https://bugzilla.suse.com/1102068

https://bugzilla.suse.com/1102073

https://www.suse.com/security/cve/CVE-2018-14598.html

https://www.suse.com/security/cve/CVE-2018-14599.html

https://www.suse.com/security/cve/CVE-2018-14600.html

http://www.nessus.org/u?edef11e6

Plugin Details

Severity: High

ID: 117859

File Name: suse_SU-2018-2934-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2018/10/01

Modified: 2018/10/01

Dependencies: 12634

Risk Information

Risk Factor: High

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xorg-x11-libX11, cpe:/o:novell:suse_linux:11

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Patch Publication Date: 2018/09/28

Reference Information

CVE: CVE-2018-14598, CVE-2018-14599, CVE-2018-14600