SUSE SLES11 Security Update : libxml2 (SUSE-SU-2018:0395-1)

This script is Copyright (C) 2018 Tenable Network Security, Inc.


Synopsis :

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

Description :

This update for libxml2 fixes several issues. Theses security issues
were fixed :

- CVE-2017-16932: Fixed infinite recursion could lead to
an infinite loop or memory exhaustion when expanding a
parameter entity in a DTD (bsc#1069689).

- CVE-2017-15412: Prevent use after free when calling
XPath extension functions that allowed remote attackers
to cause DoS or potentially RCE (bsc#1077993)

- CVE-2016-5131: Use-after-free vulnerability in libxml2
allowed remote attackers to cause a denial of service or
possibly have unspecified other impact via vectors
related to the XPointer range-to function. (bsc#1078813)

- CVE-2017-5130: Fixed a potential remote buffer overflow
in function xmlMemoryStrdup() (bsc#1078806)

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/1069689
https://bugzilla.suse.com/1077993
https://bugzilla.suse.com/1078806
https://bugzilla.suse.com/1078813
https://www.suse.com/security/cve/CVE-2016-5131.html
https://www.suse.com/security/cve/CVE-2017-15412.html
https://www.suse.com/security/cve/CVE-2017-16932.html
https://www.suse.com/security/cve/CVE-2017-5130.html
http://www.nessus.org/u?0f0fa984

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-libxml2-13458=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch
slessp4-libxml2-13458=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch
dbgsp4-libxml2-13458=1

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

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.3
(CVSS2#E:POC/RL:OF/RC:ND)
Public Exploit Available : true

Family: SuSE Local Security Checks

Nessus Plugin ID: 106707 ()

Bugtraq ID:

CVE ID: CVE-2016-5131
CVE-2017-15412
CVE-2017-16932
CVE-2017-5130

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