ESB-2018.1150 - [Appliance] F5 BIG-IP Products: Denial of service - Remote/unauthenticated 2018-04-16

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

                               ESB-2018.1150
             K10329515:BIG-IP PEM vulnerability CVE-2018-5508
                               16 April 2018

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

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

Product:           F5 BIG-IP Products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5508  

Original Bulletin: 
   https://support.f5.com/csp/article/K10329515

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K10329515:BIG-IP PEM vulnerability CVE-2018-5508

Security Advisory

Original Publication Date: 13 Apr, 2018

Latest   Publication Date: 14 Apr, 2018

Security Advisory Description

Under certain conditions, TMM may produce a core file and restart when
processing compressed data though a virtual server with an associated PEM
profile using the content insertion option. (CVE-2018-5508)

Impact

The Traffic Management Microkernel (TMM) generates a core file and restarts.
If configured as part of a high availability (HA) device group, the BIG-IP
system fails over to the peer device.


Security Advisory Status

F5 Product Development has assigned ID 643375 (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.

+------------------+------+----------+----------+----------+------+----------+
|                  |      |Versions  |Fixes     |          |CVSSv3|Vulnerable|
|Product           |Branch|known to  |introduced|Severity  |score^|component |
|                  |      |be        |in        |          |1     |or feature|
|                  |      |vulnerable|          |          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|                  |13.x  |13.0.0    |13.1.0    |          |      |          |
|                  +------+----------+----------+          |      |          |
|                  |12.x  |12.0.0 -  |12.1.3.2  |          |      |          |
|                  |      |12.1.3    |          |          |      |          |
|BIG-IP (PEM)      +------+----------+----------+Medium    |5.9   |PEM       |
|                  |      |11.6.0 -  |          |          |      |          |
|                  |      |11.6.2    |11.6.3    |          |      |          |
|                  |11.x  |11.5.1 -  |11.5.6    |          |      |          |
|                  |      |11.5.5    |          |          |      |          |
|                  |      |11.2.1    |          |          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|BIG-IP (LTM, AAM, |13.x  |None      |Not       |          |      |          |
|AFM, Analytics,   |      |          |applicable|          |      |          |
|APM, ASM,         +------+----------+----------+          |      |          |
|DNS, Link         |12.x  |None      |Not       |Not       |None  |None      |
|Controller,       |      |          |applicable|vulnerable|      |          |
|WebSafe, Edge     +------+----------+----------+          |      |          |
|Gateway, GTM, PSM,|11.x  |None      |Not       |          |      |          |
|WebAccelerator)   |      |          |applicable|          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|ARX               |6.x   |None      |Not       |Not       |None  |None      |
|                  |      |          |applicable|vulnerable|      |          |
+------------------+------+----------+----------+----------+------+----------+
|Enterprise Manager|3.x   |None      |Not       |Not       |None  |None      |
|                  |      |          |applicable|vulnerable|      |          |
+------------------+------+----------+----------+----------+------+----------+
|                  |5.x   |None      |Not       |          |      |          |
|BIG-IQ Centralized|      |          |applicable|Not       |      |          |
|Management        +------+----------+----------+vulnerable|None  |None      |
|                  |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|      |          |
+------------------+------+----------+----------+----------+------+----------+
|LineRate          |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.


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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