ESB-2019.0773 - [Appliance] F5 BIG-IP Products: Reduced security - Remote with user interaction 2019-03-12

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

                               ESB-2019.0773
            F5 BIG-IP AAM security vulnerability CVE-2019-6601
                               12 March 2019

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

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

Product:           F5 BIG-IP Products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Reduced Security -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-6601  

Original Bulletin: 
   https://support.f5.com/csp/article/K25359902

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K25359902:F5 BIG-IP AAM security vulnerability CVE-2019-6601

Security Advisory

Original Publication Date: 12 Mar, 2019

Security Advisory Description

The BIG-IP AAM wamd process used in the processing of images and PDFs fails to
drop group permissions when executing helper scripts. (CVE-2019-6601)

Impact

This issue does not have a direct exploit, but may be used in unknown ways when
targeting the BIG-IP AAM module.

Security Advisory Status

F5 Product Development has assigned ID 603658 (BIG-IP) to this vulnerability.

To determine if your product and version have been evaluated for this
vulnerability, refer to the Applies to (see versions) box. 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. For more information
about security advisory versioning, refer to K51812227: Understanding Security
Advisory versioning.

+-------------------+------+----------+----------+----------+------+----------+
|                   |      |Versions  |Fixes     |          |CVSSv3|Vulnerable|
|Product            |Branch|known to  |introduced|Severity  |score^|component |
|                   |      |be        |in        |          |1     |or feature|
|                   |      |vulnerable|          |          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|                   |14.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
|                   +------+----------+----------+          |      |          |
|                   |      |          |13.1.0    |          |      |          |
|                   |13.x  |13.0.0    |13.0.1    |          |      |          |
|                   |      |          |13.0.0 HF1|          |      |          |
|BIG-IP (AAM)^2     +------+----------+----------+Low       |3.9   |None      |
|                   |12.x  |12.1.0 -  |12.1.4    |          |      |          |
|                   |      |12.1.3    |          |          |      |          |
|                   +------+----------+----------+          |      |          |
|                   |      |11.6.1 -  |          |          |      |          |
|                   |11.x  |11.6.3    |11.6.3.3  |          |      |          |
|                   |      |11.2.1 -  |11.5.9    |          |      |          |
|                   |      |11.5.8    |          |          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|                   |14.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
|BIG-IP (LTM, AFM,  +------+----------+----------+          |      |          |
|Analytics, APM,    |13.x  |None      |Not       |          |      |          |
|ASM, DNS, Edge     |      |          |applicable|Not       |      |          |
|Gateway, FPS, GTM, +------+----------+----------+vulnerable|None  |None      |
|Link Controller,   |12.x  |None      |Not       |          |      |          |
|PEM,               |      |          |applicable|          |      |          |
|WebAccelerator)    +------+----------+----------+          |      |          |
|                   |11.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|Enterprise Manager |3.x   |None      |Not       |Not       |None  |None      |
|                   |      |          |applicable|vulnerable|      |          |
+-------------------+------+----------+----------+----------+------+----------+
|                   |6.x   |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
|                   +------+----------+----------+          |      |          |
|BIG-IQ Centralized |5.x   |None      |Not       |Not       |None  |None      |
|Management         |      |          |applicable|vulnerable|      |          |
|                   +------+----------+----------+          |      |          |
|                   |4.x   |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|BIG-IQ Cloud and   |1.x   |None      |Not       |Not       |None  |None      |
|Orchestration      |      |          |applicable|vulnerable|      |          |
+-------------------+------+----------+----------+----------+------+----------+
|F5 iWorkflow       |2.x   |None      |Not       |Not       |None  |None      |
|                   |      |          |applicable|vulnerable|      |          |
+-------------------+------+----------+----------+----------+------+----------+
|                   |5.x   |None      |Not       |          |      |          |
|                   |      |          |applicable|Not       |      |          |
|Traffix SDC        +------+----------+----------+vulnerable|None  |None      |
|                   |4.x   |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
+-------------------+------+----------+----------+----------+------+----------+

^1The CVSSv3 score link takes you to a resource outside of AskF5, and it is
possible that the document may be removed without our knowledge.

^2BIG-IP AAM is currently End of Life.

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 Fixes introduced in 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 K51812227: Understanding Security Advisory versioning
  o K41942608: Overview of Security Advisory articles
  o K4602: Overview of the F5 security vulnerability response policy
  o K4918: Overview of the F5 critical issue hotfix policy
  o K9502: BIG-IP hotfix and point release matrix
  o K13123: Managing BIG-IP product hotfixes (11.x - 13.x)
  o K167: Downloading software and firmware from F5
  o K9970: Subscribing to email notifications regarding F5 products
  o K9957: Creating a custom RSS feed to view new and updated documents

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