ESB-2018.3107 - [Appliance] F5 BIG-IP products: Root compromise - Existing account 2018-10-12

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3107
                 Linux kernel vulnerability CVE-2017-6346
                              12 October 2018

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

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

Product:           F5 BIG-IP products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Root Compromise   -- Existing Account
                   Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-6346  

Reference:         ASB-2017.0141
                   ESB-2018.0717
                   ESB-2018.0600
                   ESB-2017.3201
                   ESB-2017.3083
                   ESB-2017.3060

Original Bulletin: 
   https://support.f5.com/csp/article/K11023978

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K11023978:Linux kernel vulnerability CVE-2017-6346

Security Advisory

Original Publication Date: 13 Apr, 2017

Latest   Publication Date: 12 Oct, 2018

Security Advisory Description

Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13
allows local users to cause a denial of service (use-after-free) or possibly
have unspecified other impact via a multithreaded application that makes
PACKET_FANOUT setsockopt system calls. (CVE-2017-6346)

Impact

This vulnerability allows unauthorized disclosure of information, unauthorized
modification, and disruption of service.


Security Advisory Status

F5 Product Development has assigned ID 653848 (BIG-IP) to this vulnerability.
Additionally, BIG-IP iHealth may list Heuristic H11023978 on the Diagnostics >
Identified > Medium 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        |
+---------------+---------------+-----------------+----------+---------------+
|               |14.0.0         |12.0.0 - 12.1.3  |          |               |
|BIG-IP LTM     |13.0.0 - 13.1.1|11.4.0 - 11.6.3  |Medium    |Linux kernel   |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP AAM     |14.0.0         |12.0.0 - 12.1.3  |Medium    |Linux kernel   |
|               |13.0.0 - 13.1.1|11.4.0 - 11.6.3  |          |               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP AFM     |14.0.0         |12.0.0 - 12.1.3  |Medium    |Linux kernel   |
|               |13.0.0 - 13.1.1|11.4.0 - 11.6.3  |          |               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP         |14.0.0         |12.0.0 - 12.1.3  |          |               |
|Analytics      |13.0.0 - 13.1.1|11.4.0 - 11.6.3  |Medium    |Linux kernel   |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|               |14.0.0         |12.0.0 - 12.1.3  |          |               |
|BIG-IP APM     |13.0.0 - 13.1.1|11.4.0 - 11.6.3  |Medium    |Linux kernel   |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|               |14.0.0         |12.0.0 - 12.1.3  |          |               |
|BIG-IP ASM     |13.0.0 - 13.1.1|11.4.0 - 11.6.3  |Medium    |Linux kernel   |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP DNS     |14.0.0         |12.0.0 - 12.1.3  |Medium    |Linux kernel   |
|               |13.0.0 - 13.1.1|                 |          |               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP Edge    |None           |11.2.1           |Not       |None           |
|Gateway        |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP GTM     |None           |11.4.0 - 11.6.3  |Not       |None           |
|               |               |11.2.1           |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP Link    |14.0.0         |12.0.0 - 12.1.3  |          |               |
|Controller     |13.0.0 - 13.1.1|11.4.0 - 11.6.3  |Medium    |Linux kernel   |
|               |               |11.2.1           |          |               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP PEM     |14.0.0         |12.0.0 - 12.1.3  |Medium    |Linux kernel   |
|               |13.0.0 - 13.1.1|11.4.0 - 11.6.3  |          |               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP PSM     |None           |11.4.0 - 11.4.1  |Not       |None           |
|               |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP         |None           |11.2.1           |Not       |None           |
|WebAccelerator |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IP WebSafe |14.0.0         |12.0.0 - 12.1.3  |Medium    |Linux kernel   |
|               |13.0.0 - 13.1.1|11.6.0 - 11.6.3  |          |               |
+---------------+---------------+-----------------+----------+---------------+
|ARX            |None           |6.2.0 - 6.4.0    |Not       |None           |
|               |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|Enterprise     |None           |3.1.1            |Not       |None           |
|Manager        |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IQ Cloud   |None           |4.0.0 - 4.5.0    |Not       |None           |
|               |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IQ Device  |None           |4.2.0 - 4.5.0    |Not       |None           |
|               |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IQ Security|None           |4.0.0 - 4.5.0    |Not       |None           |
|               |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IQ ADC     |None           |4.5.0            |Not       |None           |
|               |               |                 |vulnerable|               |
+---------------+---------------+-----------------+----------+---------------+
|BIG-IQ         |               |5.0.0 - 5.4.0    |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

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