ESB-2018.2155.2 - UPDATE [Appliance] F5 BIG-IP ASM products: Denial of service - Remote/unauthenticated 2018-08-15

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

                              ESB-2018.2155.2
             K75432956: BIG-IP ASM vulnerability CVE-2018-5539
                              15 August 2018

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

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

Product:           F5 BIG-IP ASM products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5539  

Original Bulletin: 
   https://support.f5.com/csp/article/K75432956

Revision History:  August 15 2018: Updated product table from F5
                   July   25 2018: Initial Release

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Security Advisory Description

Under certain conditions, when processing cross-site request forgery (CSRF)
protections, the BIG-IP ASM bd process restarts and produces a core file. (
CVE-2018-5539)

Impact

BIG-IP

The affected BIG-IP ASM system fails to process traffic while the bd process
restarts.

BIG-IQ / F5 iWorkflow / Enterprise Manager / ARX / Traffix SDC

There is no impact; these F5 products are not affected by this vulnerability.

Security Advisory Status

F5 Product Development has assigned ID 716992 (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        |          |      |or feature|
|                   |      |vulnerable|          |          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|                   |14.x  |None      |14.0.0    |          |      |          |
|                   +------+----------+----------+          |      |          |
|                   |13.x  |13.0.0 -  |13.1.0.8  |          |      |          |
|                   |      |13.1.0    |          |          |      |          |
|                   +------+----------+----------+          |      |          |
|                   |12.x  |12.1.0 -  |12.1.3.6  |          |      |          |
|BIG-IP (ASM)       |      |12.1.3    |          |High      |7.5   |bd process|
|                   +------+----------+----------+          |      |          |
|                   |      |11.6.1 -  |          |          |      |          |
|                   |      |11.6.3    |11.6.3.2  |          |      |          |
|                   |11.x  |11.5.1 -  |11.5.7    |          |      |          |
|                   |      |11.5.6    |          |          |      |          |
|                   |      |11.2.1    |          |          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|BIG-IP (LTM, AAM,  |13.x  |None      |Not       |          |      |          |
|AFM, Analytics,    |      |          |applicable|          |      |          |
|APM, DNS, Edge     +------+----------+----------+          |      |          |
|Gateway, FPS, GTM, |12.x  |None      |Not       |Not       |None  |None      |
|Link Controller,   |      |          |applicable|vulnerable|      |          |
|PEM,               +------+----------+----------+          |      |          |
|WebAccelerator)    |11.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|ARX                |6.x   |None      |Not       |Not       |None  |None      |
|                   |      |          |applicable|vulnerable|      |          |
+-------------------+------+----------+----------+----------+------+----------+
|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|          |      |          |
+-------------------+------+----------+----------+----------+------+----------+

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

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