ESB-2019.0768 - [Appliance] F5 BIG-IP Products: Denial of service - Existing account 2019-03-12

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0768
         BIG-IP Configuration utility vulnerability CVE-2019-6598
                               12 March 2019

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

Product:           F5 BIG-IP Products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-6598  

Original Bulletin: 
   https://support.f5.com/csp/article/K44603900

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K44603900:BIG-IP Configuration utility vulnerability CVE-2019-6598

Security Advisory

Original Publication Date: 12 Mar, 2019

Security Advisory Description

Malformed requests to the Traffic Management User Interface (TMUI), also
referred to as the BIG-IP Configuration utility, may lead to disruption of TMUI
services. This attack requires an authenticated user with any role (other than
the No Access role). The No Access user role cannot login and does not have the
access level to perform the attack. (CVE-2019-6598)

Impact

This vulnerability allows an authenticated user to cause a disruption of
service.

Security Advisory Status

F5 Product Development has assigned ID 710827 (BIG-IP) and ID 711624 
(Enterprise Manager) 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 or  |
|               |      |be        |in        |          |1     |feature       |
|               |      |vulnerable|          |          |      |              |
+---------------+------+----------+----------+----------+------+--------------+
|               |14.x  |14.0.0    |14.1.0    |          |      |              |
|BIG-IP (LTM,   |      |          |14.0.0.3  |          |      |              |
|AAM, AFM,      +------+----------+----------+          |      |              |
|Analytics, APM,|13.x  |13.0.0 -  |13.1.0.8  |          |      |              |
|ASM, DNS, Edge |      |13.1.0    |          |          |      |              |
|Gateway, GTM,  +------+----------+----------+          |      |TMUI          |
|Link           |12.x  |12.1.0 -  |12.1.3.6  |Medium    |4.3   |(Configuration|
|Controller,    |      |12.1.3    |          |          |      |utility)      |
|PEM,           +------+----------+----------+          |      |              |
|WebAccelerator,|      |11.6.0 -  |          |          |      |              |
|WebSafe)       |11.x  |11.6.3    |11.6.3.3  |          |      |              |
|               |      |11.2.1 -  |11.5.9    |          |      |              |
|               |      |11.5.8    |          |          |      |              |
+---------------+------+----------+----------+----------+------+--------------+
|ARX            |6.x   |None      |Not       |Not       |None  |None          |
|               |      |          |applicable|vulnerable|      |              |
+---------------+------+----------+----------+----------+------+--------------+
|Enterprise     |      |          |          |          |      |TMUI          |
|Manager        |3.x   |3.1.1     |None      |Medium    |4.3   |(Configuration|
|               |      |          |          |          |      |utility)      |
+---------------+------+----------+----------+----------+------+--------------+
|               |5.x   |None      |Not       |          |      |              |
|BIG-IQ         |      |          |applicable|Not       |      |              |
|Centralized    +------+----------+----------+vulnerable|None  |None          |
|Management     |4.x   |None      |Not       |          |      |              |
|               |      |          |applicable|          |      |              |
+---------------+------+----------+----------+----------+------+--------------+
|BIG-IQ Cloud   |      |          |Not       |Not       |      |              |
|and            |1.x   |None      |applicable|vulnerable|None  |None          |
|Orchestration  |      |          |          |          |      |              |
+---------------+------+----------+----------+----------+------+--------------+
|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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