ESB-2019.0770 - [Appliance] F5 BIG-IP Products: Cross-site scripting - Remote with user interaction 2019-03-12

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

                               ESB-2019.0770
         BIG-IP Configuration utility vulnerability CVE-2019-6600
                               12 March 2019

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

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

Product:           F5 BIG-IP Products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-6600  

Original Bulletin: 
   https://support.f5.com/csp/article/K23734425

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

K23734425:BIG-IP Configuration utility vulnerability CVE-2019-6600

Security Advisory

Original Publication Date: 12 Mar, 2019

Security Advisory Description

When remote authentication is enabled for administrative users and all external
users are granted the "guest" role, unsanitized values can be reflected to the
client via the login page. This can lead to a cross-site scripting attack
against unauthenticated clients. (CVE-2019-6600)

Impact

BIG-IP

This vulnerability may lead to a cross-site scripting (XSS) attack against an
unauthenticated client via the login Username field.

BIG-IQ, F5 iWorkflow, Enterprise Manager, and Traffix SDC

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

Security Advisory Status

F5 Product Development has assigned ID 530775 (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 or |
|                |      |be        |in        |          |1     |feature      |
|                |      |vulnerable|          |          |      |             |
+----------------+------+----------+----------+----------+------+-------------+
|                |14.x  |14.0.0    |14.1.0    |          |      |             |
|                |      |          |14.0.0.3  |          |      |             |
|BIG-IP (LTM,    +------+----------+----------+          |      |             |
|AAM, AFM,       |13.x  |13.0.0 -  |13.1.1.4  |          |      |             |
|Analytics, APM, |      |13.1.1    |          |          |      |             |
|ASM, DNS, Edge  +------+----------+----------+          |      |Configuration|
|Gateway, FPS,   |12.x  |12.1.0 -  |12.1.4    |Low       |3.7   |utility      |
|GTM, Link       |      |12.1.3    |          |          |      |             |
|Controller, PEM,+------+----------+----------+          |      |             |
|WebAccelerator) |      |11.6.1 -  |          |          |      |             |
|                |11.x  |11.6.3    |11.6.3.3  |          |      |             |
|                |      |11.5.1 -  |11.5.9    |          |      |             |
|                |      |11.5.8    |          |          |      |             |
+----------------+------+----------+----------+----------+------+-------------+
|Enterprise      |3.x   |None      |Not       |Not       |None  |None         |
|Manager         |      |          |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|          |      |             |
+----------------+------+----------+----------+----------+------+-------------+
|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|          |      |             |
+----------------+------+----------+----------+----------+------+-------------+

^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 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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