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SUSE SLES11 Security Update : xorg-x11-server (SUSE-SU-2017:1850-1)

high Nessus Plugin ID 101520

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Synopsis

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

Description

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

 - CVE-2017-10971: Fix endianess handling of GenericEvent to prevent a stack overflow by clients. (bnc#1035283)

 - Make sure the type of all events to be sent by ProcXSendExtensionEvent are in the allowed range.

 - CVE-2017-10972: Initialize the xEvent eventT with zeros to avoid information leakage.

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 YaST online_update.
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-server-13206=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-xorg-x11-server-13206=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch slessp3-xorg-x11-server-13206=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch sleposp3-xorg-x11-server-13206=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-xorg-x11-server-13206=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch dbgsp3-xorg-x11-server-13206=1

To bring your system up-to-date, use 'zypper patch'.

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1035283

https://www.suse.com/security/cve/CVE-2017-10971/

https://www.suse.com/security/cve/CVE-2017-10972/

http://www.nessus.org/u?333efece

Plugin Details

Severity: High

ID: 101520

File Name: suse_SU-2017-1850-1.nasl

Version: 3.11

Type: local

Agent: unix

Published: 7/13/2017

Updated: 1/19/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

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:novell:suse_linux:xorg-x11-xvnc, p-cpe:/a:novell:suse_linux:xorg-x11-server, p-cpe:/a:novell:suse_linux:xorg-x11-server-extra, cpe:/o:novell:suse_linux:11

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/12/2017

Vulnerability Publication Date: 7/6/2017

Reference Information

CVE: CVE-2017-10971, CVE-2017-10972