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AUSCERT External Security Bulletin Redistribution
ESB-2016.3028
K16712298: libxml2 vulnerability CVE-2016-1834
20 December 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: F5 Products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2016-1834
Reference: ASB-2016.0104
ASB-2016.0087
ESB-2016.1235
Original Bulletin:
https://support.f5.com/csp/#/article/K16712298
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K16712298: libxml2 vulnerability CVE-2016-1834
Security Advisory
Original Publication Date: Dec 20, 2016 Updated Date: Dec 20, 2016 Applies to
(see versions): Vulnerability Description
Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4,
as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and
watchOS before 2.2.1, allows remote attackers to execute arbitrary code or
cause a denial of service (memory corruption) via a crafted XML document.
(CVE-2016-1834)
Impact
A heap-based buffer overflow in xmlStrncat function allows remote attackers to
execute arbitrary code or cause a denial of service (DOS) using a crafted XML
document. Security Issue Status
F5 Product Development has assigned ID 601059 (BIG-IP) and INSTALLER-2826
(Traffix SDC) to this vulnerability.
To determine if your release is known to be vulnerable, the components or
features that are affected by the vulnerability, and for information about
releases or hotfixes that address the vulnerability, refer to the following
table:
Product Versions known to be vulnerable Versions known to be not vulnerable Severity Vulnerable component or feature
BIG-IP LTM 12.0.0 - 12.1.1 12.1.2 Low libxml2 (XML Content Based Routing, XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
11.4.0 - 11.6.1
11.2.1
10.2.1 - 10.2.4
BIG-IP AAM 12.0.0 - 12.1.1 12.1.2 Low libxml2 (image optimization, XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview, Mogrify)
11.4.0 - 11.6.1
BIG-IP AFM 12.0.0 - 12.1.1 12.1.2 Low libxml2 (SSH Plugin, XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
11.4.0 - 11.6.1
BIG-IP Analytics 12.0.0 - 12.1.1 12.1.2 Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
11.4.0 - 11.6.1
11.2.1
BIG-IP APM 12.0.0 - 12.1.1 12.1.2 Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
11.4.0 - 11.6.1
11.2.1
10.2.1 - 10.2.4
BIG-IP ASM 12.0.0 - 12.1.1 12.1.2 Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
11.4.0 - 11.6.1
11.2.1
10.2.1 - 10.2.4
BIG-IP DNS 12.0.0 - 12.1.1 12.1.2 Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
BIG-IP Edge Gateway 11.2.1 None Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
10.2.1 - 10.2.4
BIG-IP GTM 11.4.0 - 11.6.1 None Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
11.2.1
10.2.1 - 10.2.4
BIG-IP Link Controller 12.0.0 - 12.1.1 12.1.2 Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
11.4.0 - 11.6.1
11.2.1
10.2.1 - 10.2.4
BIG-IP PEM 12.0.0 - 12.1.1 12.1.2 Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
11.4.0 - 11.6.1
BIG-IP PSM 11.4.0 - 11.4.1 None Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
10.2.1 - 10.2.4
BIG-IP WebAccelerator 11.2.1 None Low libxml2 (image optimization, XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
10.2.1 - 10.2.4
BIG-IP WebSafe 12.0.0 - 12.1.1 12.1.2 Low libxml2 (XML commands, External monitors, APL scripts, Python, Perl, PHP, qkview)
11.6.0 - 11.6.1
ARX None 6.2.0 - 6.4.0 Not vulnerable None
Enterprise Manager None 3.1.1 Not vulnerable None
FirePass None 7.0.0 Not vulnerable None
BIG-IQ Cloud None 4.0.0 - 4.5.0 Not vulnerable None
BIG-IQ Device None 4.2.0 - 4.5.0 Not vulnerable None
BIG-IQ Security None 4.0.0 - 4.5.0 Not vulnerable None
BIG-IQ ADC None 4.5.0 Not vulnerable None
BIG-IQ Centralized None 5.0.0 - 5.1.0 Not vulnerable None
Management 4.6.0
BIG-IQ Cloud and None 1.0.0 Not vulnerable None
Orchestration
F5 iWorkflow None 2.0.0 - 2.0.2 Not vulnerable None
LineRate None 2.5.0 - 2.6.1 Not vulnerable None
Traffix SDC 5.0.0 - 5.1.0
4.0.0 - 4.4.0 None Low libxml2
Vulnerability Recommended Actions
If you are running a version listed in the Versions known to be vulnerable
column, you can eliminate this vulnerability by upgrading to a version listed
in the Versions known to be not vulnerable column. If the table lists only an
older version than what you are currently running, or does not list a
non-vulnerable version, then no upgrade candidate currently exists.
Mitigation
None Supplemental Information
K9970: Subscribing to email notifications regarding F5 products K9957:
Creating a custom RSS feed to view new and updated documents K4602: Overview
of the F5 security vulnerability response policy K4918: Overview of the F5
critical issue hotfix policy K167: Downloading software and firmware from F5
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