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

This script is Copyright (C) 2017 Tenable Network Security, Inc.


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.

See also :

https://bugzilla.suse.com/1035283
https://www.suse.com/security/cve/CVE-2017-10971.html
https://www.suse.com/security/cve/CVE-2017-10972.html
http://www.nessus.org/u?ff958499

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'.

Risk factor :

Medium / CVSS Base Score : 6.5
(CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P)
CVSS Temporal Score : 4.8
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: SuSE Local Security Checks

Nessus Plugin ID: 101520 ()

Bugtraq ID:

CVE ID: CVE-2017-10971
CVE-2017-10972

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