ESB-2017.2383 - [Appliance] F5 Products: Execute arbitrary code/commands - Remote/unauthenticated 2017-09-21

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2383
               K52320548: Expat vulnerability CVE-2016-0718
                             21 September 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           F5 Products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-0718  

Reference:         ESB-2016.2815

Original Bulletin: 
   https://support.f5.com/csp/article/K52320548

- --------------------------BEGIN INCLUDED TEXT--------------------

K52320548: Expat vulnerability CVE-2016-0718

Security Advisory

Original Publication Date: Sep 19, 2017

Applies to (see versions):

Security Advisory Description

An out-of-bounds read flaw was found in the way Expat processed certain input.
A remote attacker could send specially crafted XML that, when parsed by an 
application using the Expat library, would cause that application to crash or,
possibly, execute arbitrary code with the permission of the user running the 
application. (CVE-2016-0718)

Impact

A remote attacker could send specially crafted XML which, when parsed by an 
application using the Expat library, would cause that application to stop 
responding or possibly run arbitrary code with the permission of the user 
running the application.

Security Advisory Status

F5 Product Development has assigned ID 678064 (BIG-IP), and ID 677266 
(Enterprise Manager) 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:

+--------------+---------------+----------------+----------+------------------+
|              |Versions known |Versions known  |          |Vulnerable        |
|Product       |to be          |to be not       |Severity  |component or      |
|              |vulnerable     |vulnerable      |          |feature           |
+--------------+---------------+----------------+----------+------------------+
|              |12.0.0 - 12.1.2|                |          |iControl SOAP,    |
|BIG-IP LTM    |11.4.1 - 11.6.1|13.0.0          |High      |eventd            |
|              |11.2.1         |                |          |                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP AAM    |12.0.0 - 12.1.2|13.0.0          |High      |iControl SOAP,    |
|              |11.4.1 - 11.6.1|                |          |eventd            |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP AFM    |12.0.0 - 12.1.2|13.0.0          |High      |iControl SOAP,    |
|              |11.4.1 - 11.6.1|                |          |eventd            |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP        |12.0.0 - 12.1.2|                |          |iControl SOAP,    |
|Analytics     |11.4.1 - 11.6.1|13.0.0          |High      |eventd            |
|              |11.2.1         |                |          |                  |
+--------------+---------------+----------------+----------+------------------+
|              |               |13.0.0          |          |                  |
|BIG-IP APM    |None           |12.0.0 - 12.1.2 |Not       |None              |
|              |               |11.4.1 - 11.6.1 |vulnerable|                  |
|              |               |11.2.1          |          |                  |
+--------------+---------------+----------------+----------+------------------+
|              |12.0.0 - 12.1.2|13.0.0          |          |iControl SOAP,    |
|BIG-IP ASM    |11.4.1 - 11.6.1|                |High      |eventd            |
|              |11.2.1         |                |          |                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP DNS    |12.0.0 - 12.1.2|13.0.0          |High      |iControl SOAP,    |
|              |               |                |          |eventd            |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP Edge   |None           |11.2.1          |Not       |None              |
|Gateway       |               |                |vulnerable|                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP GTM    |11.4.1 - 11.6.1|None            |High      |iControl SOAP,    |
|              |11.2.1         |                |          |eventd            |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP Link   |12.0.0 - 12.1.2|13.0.0          |          |iControl SOAP,    |
|Controller    |11.4.1 - 11.6.1|                |High      |eventd            |
|              |11.2.1         |                |          |                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP PEM    |12.0.0 - 12.1.2|13.0.0          |High      |iControl SOAP,    |
|              |11.4.1 - 11.6.1|                |          |eventd            |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP PSM    |11.4.1         |None            |High      |iControl SOAP,    |
|              |               |                |          |eventd            |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP        |11.2.1         |None            |High      |iControl SOAP,    |
|WebAccelerator|               |                |          |eventd            |
+--------------+---------------+----------------+----------+------------------+
|BIG-IP WebSafe|12.0.0 - 12.1.2|13.0.0          |High      |iControl SOAP,    |
|              |11.6.0 - 11.6.1|                |          |eventd            |
+--------------+---------------+----------------+----------+------------------+
|ARX           |None           |6.2.0 - 6.4.0   |Not       |None              |
|              |               |                |vulnerable|                  |
+--------------+---------------+----------------+----------+------------------+
|Enterprise    |3.1.1          |None            |Medium    |iControlPortal.cgi|
|Manager       |               |                |          |                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IQ Cloud  |None           |4.4.0 - 4.5.0   |Not       |None              |
|              |               |                |vulnerable|                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IQ Device |None           |4.4.0 - 4.5.0   |Not       |None              |
|              |               |                |vulnerable|                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IQ        |None           |4.4.0 - 4.5.0   |Not       |None              |
|Security      |               |                |vulnerable|                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IQ ADC    |None           |4.5.0           |Not       |None              |
|              |               |                |vulnerable|                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IQ        |               |5.0.0 - 5.3.0   |Not       |                  |
|Centralized   |None           |4.6.0           |vulnerable|None              |
|Management    |               |                |          |                  |
+--------------+---------------+----------------+----------+------------------+
|BIG-IQ Cloud  |               |                |Not       |                  |
|and           |None           |1.0.0           |vulnerable|None              |
|Orchestration |               |                |          |                  |
+--------------+---------------+----------------+----------+------------------+
|F5 iWorkflow  |None           |2.0.0 - 2.3.0   |Not       |None              |
|              |               |                |vulnerable|                  |
+--------------+---------------+----------------+----------+------------------+
|LineRate      |None           |2.5.0 - 2.6.2   |Not       |None              |
|              |               |                |vulnerable|                  |
+--------------+---------------+----------------+----------+------------------+
|Traffix SDC   |None           |5.0.0 - 5.1.0   |Not       |None              |
|              |               |4.0.0 - 4.4.0   |vulnerable|                  |
+--------------+---------------+----------------+----------+------------------+


Security Advisory 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.

To determine the necessary upgrade path for your BIG-IQ system, you should 
understand the BIG-IQ product offering name changes. For more information, 
refer to K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow 
systems.

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

K13123: Managing BIG-IP product hotfixes (11.x - 13.x)

K9502: BIG-IP hotfix matrixSecurity Advisory 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.

To determine the necessary upgrade path for your BIG-IQ system, you should 
understand the BIG-IQ product offering name changes. For more information, 
refer to K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow 
systems.

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

K13123: Managing BIG-IP product hotfixes (11.x - 13.x)

K9502: BIG-IP hotfix matrix

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