ESB-2017.2358.2 - UPDATE [Appliance] F5 Products: Denial of service - Remote/unauthenticated 2018-04-05

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             AUSCERT External Security Bulletin Redistribution

                              ESB-2017.2358.2
               K43945001: F5 TMM vulnerability CVE-2017-6147
                               5 April 2018

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

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

Product:           F5 Products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-6147  

Original Bulletin: 
   https://support.f5.com/csp/article/K43945001

Revision History:  April      5 2018: Updated "Security Advisory Status" section
                   September 19 2017: Initial Release

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K43945001:F5 TMM vulnerability CVE-2017-6147

Security Advisory

Original Publication Date: 16 Sep, 2017

Latest   Publication Date: 03 Apr, 2018

Security Advisory Description

An undisclosed type of responses may cause TMM to restart, causing an
interruption of service when "SSL Forward Proxy" setting is enabled in both
the Client and Server SSL profiles assigned to a BIG-IP Virtual Server. (
CVE-2017-6147)

Impact

If the SSL Forward Proxy option is enabled on both the Client and Server SSL
profile assigned to a BIG-IP virtual server, an attacker may be able to cause
the Traffic Management Microkernel (TMM) to restart, resulting in traffic
disruption.


Security Advisory Status

F5 Product Development has assigned ID 634779 (BIG-IP) to this vulnerability.
Additionally, BIG-IP iHealth may list Heuristic H43945001 on the Diagnostics >
Identified > High page.

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 to|          |Vulnerable     |
|Product        |to be          |be not vulnerable|Severity  |component or   |
|               |vulnerable     |                 |          |feature        |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|               |13.0.0         |13.0.1           |          |               |
|BIG-IP LTM     |12.1.0 - 12.1.2|12.1.3           |High      |SSL Forward    |
|               |               |12.0.0           |          |Proxy          |
|               |               |11.4.0 - 11.6.1  |          |               |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|               |13.0.0         |13.0.1           |          |SSL Forward    |
|BIG-IP AAM     |12.1.0 - 12.1.2|12.1.3           |High      |Proxy          |
|               |               |12.0.0           |          |               |
|               |               |11.4.0 - 11.6.1  |          |               |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|               |13.0.0         |13.0.1           |          |SSL Forward    |
|BIG-IP AFM     |12.1.0 - 12.1.2|12.1.3           |High      |Proxy          |
|               |               |12.0.0           |          |               |
|               |               |11.4.0 - 11.6.1  |          |               |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|               |               |13.0.1           |          |               |
|BIG-IP         |13.0.0         |12.1.3           |High      |SSL Forward    |
|Analytics      |12.1.0 - 12.1.2|12.0.0           |          |Proxy          |
|               |               |11.4.0 - 11.6.1  |          |               |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|               |               |13.0.1           |          |               |
|BIG-IP APM     |13.0.0         |12.1.3           |High      |SSL Forward    |
|               |12.1.0 - 12.1.2|12.0.0           |          |Proxy          |
|               |               |11.4.0 - 11.6.1  |          |               |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|               |               |13.0.1           |          |               |
|BIG-IP ASM     |13.0.0         |12.1.3           |High      |SSL Forward    |
|               |12.1.0 - 12.1.2|12.0.0           |          |Proxy          |
|               |               |11.4.0 - 11.6.1  |          |               |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|BIG-IP DNS     |13.0.0         |13.0.1           |High      |SSL Forward    |
|               |12.1.0 - 12.1.2|12.1.3           |          |Proxy          |
|               |               |12.0.0           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP Edge    |None           |11.2.1           |Not       |None           |
|Gateway        |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP GTM     |None           |11.4.0 - 11.6.1  |Not       |None           |
|               |               |11.2.1           |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|               |               |13.0.1           |          |               |
|BIG-IP Link    |13.0.0         |12.1.3           |High      |SSL Forward    |
|Controller     |12.1.0 - 12.1.2|12.0.0           |          |Proxy          |
|               |               |11.4.0 - 11.6.1  |          |               |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|               |13.0.0         |13.0.1           |          |SSL Forward    |
|BIG-IP PEM     |12.1.0 - 12.1.2|12.1.3           |High      |Proxy          |
|               |               |12.0.0           |          |               |
|               |               |11.4.0 - 11.6.1  |          |               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP PSM     |None           |None             |Not       |None           |
|               |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP         |None           |None             |Not       |None           |
|WebAccelerator |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|               |               |13.1.0           |          |               |
|               |               |13.0.1           |          |SSL Forward    |
|BIG-IP WebSafe |13.0.0         |12.1.3           |High      |Proxy          |
|               |               |12.0.0           |          |               |
|               |               |11.6.0 - 11.6.1  |          |               |
+---------------+---------------+-----------------+----------+---------------+
|ARX            |None           |6.2.0 - 6.4.0    |Not       |None           |
|               |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|Enterprise     |None           |3.1.1            |Not       |None           |
|Manager        |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|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 Security|None           |4.4.0 - 4.5.0    |Not       |None           |
|               |               |                 |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.

Mitigation

None


Supplemental Information

  o K9970: Subscribing to email notifications regarding F5 products
  o K9957: Creating a custom RSS feed to view new and updated documents
  o K4602: Overview of the F5 security vulnerability response policy
  o K4918: Overview of the F5 critical issue hotfix policy
  o K167: Downloading software and firmware from F5
  o K13123: Managing BIG-IP product hotfixes (11.x - 13.x)
  o K9502: BIG-IP hotfix and point release matrix

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