ESB-2018.2154 - [Appliance] F5 BIG-IP APM products: Denial of service - Remote/unauthenticated 2018-07-25

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2154
K27391542: BIG-IP APM per-request policy object vulnerability CVE-2018-5536
                               25 July 2018

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

Product:           F5 BIG-IP APM products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5536  

Original Bulletin: 
   https://support.f5.com/csp/article/K27391542

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K27391542: BIG-IP APM per-request policy object vulnerability CVE-2018-5536

Security Advisory

Original Publication Date: Jul 25, 2018

Security Advisory Description

A remote attacker through undisclosed measures, may be able to exploit a
virtual server configured with a BIG-IP APM per-request policy object and cause
a memory leak in the BIG-IP APM module. (CVE-2018-5536)

Impact

This vulnerability allows a disruption of service.

Security Advisory Status

F5 Product Development has assigned ID 710244 (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 -  |13.1.0.8  |          |      |Virtual    |
|                  |      |13.1.0    |          |          |      |server     |
|                  +------+----------+----------+          |      |configured |
|BIG-IP (APM)      |12.x  |12.1.0 -  |12.1.3.6  |High      |7.5   |with an APM|
|                  |      |12.1.3    |          |          |      |per-request|
|                  +------+----------+----------+          |      |policy     |
|                  |11.x  |None      |Not       |          |      |object.    |
|                  |      |          |applicable|          |      |           |
+------------------+------+----------+----------+----------+------+-----------+
|BIG-IP (LTM, AAM, |13.x  |None      |Not       |          |      |           |
|AFM, Analytics,   |      |          |applicable|          |      |           |
|ASM, DNS, Edge    +------+----------+----------+          |      |           |
|Gateway, GTM, Link|12.x  |None      |Not       |Not       |None  |None       |
|Controller, PEM,  |      |          |applicable|vulnerable|      |           |
|WebAccelerator,   +------+----------+----------+          |      |           |
|WebSafe)          |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|      |           |
+------------------+------+----------+----------+----------+------+-----------+
|                  |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

Contact Support

North America: 1-888-882-7535
Outside North America: 800-11-275-435

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