SUSE SLED12 / SLES12 Security Update : libxml2 (SUSE-SU-2017:1454-1)

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 libxml2 fixes the following issues :

- CVE-2017-9047, CVE-2017-9048: The function
xmlSnprintfElementContent in valid.c was vulnerable to a
stack-based buffer overflow (bsc#1039063, bsc#1039064)

- CVE-2017-9049: The function xmlDictComputeFastKey in
dict.c was vulnerable to a heap-based buffer over-read.
(bsc#1039066)

- CVE-2017-9050: The function xmlDictAddString was
vulnerable to a heap-based buffer over-read
(bsc#1039661)

- CVE-2016-1839: heap-based buffer overflow
(xmlDictAddString func) (bnc#1039069)

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/1039063
https://bugzilla.suse.com/1039064
https://bugzilla.suse.com/1039066
https://bugzilla.suse.com/1039069
https://bugzilla.suse.com/1039661
https://bugzilla.suse.com/981114
https://www.suse.com/security/cve/CVE-2016-1839.html
https://www.suse.com/security/cve/CVE-2017-9047.html
https://www.suse.com/security/cve/CVE-2017-9048.html
https://www.suse.com/security/cve/CVE-2017-9049.html
https://www.suse.com/security/cve/CVE-2017-9050.html
http://www.nessus.org/u?550adf49

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 12-SP2:zypper in -t
patch SUSE-SLE-SDK-12-SP2-2017-891=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t
patch SUSE-SLE-RPI-12-SP2-2017-891=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch
SUSE-SLE-SERVER-12-SP2-2017-891=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP2-2017-891=1

OpenStack Cloud Magnum Orchestration 7:zypper in -t patch
SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2017-891=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: 100544 ()

Bugtraq ID:

CVE ID: CVE-2016-1839
CVE-2017-9047
CVE-2017-9048
CVE-2017-9049
CVE-2017-9050

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