ESB-2018.3362 - [Appliance] F5 BIG-IP products: Unauthorised access - Existing account 2018-10-31

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

                               ESB-2018.3362
          K34652116: BIG-IP APM CRL vulnerability CVE-2018-15326
                              31 October 2018

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

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

Product:           F5 BIG-IP products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Unauthorised Access -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-15326  

Original Bulletin: 
   https://support.f5.com/csp/article/K34652116

- --------------------------BEGIN INCLUDED TEXT--------------------

K34652116: BIG-IP APM CRL vulnerability CVE-2018-15326

Security Advisory

Original Publication Date: Oct 31, 2018

Security Advisory Description

In some situations, the CRLDP Auth access policy agent may treat revoked
certificates as valid when the BIG-IP APM system fails to download a new
Certificate Revocation List. (CVE-2018-15326).

Impact

Users with revoked certificates may be able to gain access to the system.

Security Advisory Status

F5 Product Development has assigned ID 714879 (BIG-IP APM) 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  |14.0.0    |14.0.0.3  |          |      |          |
|                   +------+----------+----------+          |      |          |
|                   |13.x  |13.0.0 -  |13.1.0.8  |          |      |          |
|                   |      |13.1.0    |          |          |      |          |
|BIG-IP (APM )      +------+----------+----------+Low       |3.1   |CRLDP AAA |
|                   |12.x  |12.1.0 -  |12.1.3.6  |          |      |Server    |
|                   |      |12.1.3    |          |          |      |          |
|                   +------+----------+----------+          |      |          |
|                   |11.x  |11.6.0 -  |11.6.3.3  |          |      |          |
|                   |      |11.6.3    |          |          |      |          |
+-------------------+------+----------+----------+----------+------+----------+
|                   |14.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
|BIG-IP (LTM, AAM,  +------+----------+----------+          |      |          |
|AFM, Analytics,    |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|      |          |
+-------------------+------+----------+----------+----------+------+----------+
|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|          |      |          |
+-------------------+------+----------+----------+----------+------+----------+

^1 The 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 K48955220: Installing an OPSWAT Endpoint Security update on BIG-IP APM
    systems (11.4.x and later)
  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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