ESB-2018.2740 - [Appliance] F5 BIG-IP APM: Denial of service - Remote with user interaction 2018-09-14

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

                               ESB-2018.2740
              BIG-IP APM SAML IdP vulnerability CVE-2018-5549
                             14 September 2018

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

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

Product:           F5 BIG-IP APM
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5549  

Original Bulletin: 
   https://support.f5.com/csp/article/K05018525

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

K05018525:BIG-IP APM SAML IdP vulnerability CVE-2018-5549

Security Advisory

Original Publication Date: 13 Sep, 2018

Security Advisory Description

APMD may core when processing SAML Assertion or response containing certain
elements. CVE-2018-5549

Impact

This vulnerability allows a disruption of service.


Security Advisory Status

F5 Product Development has assigned ID 704580 (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 |
|                  |      |be        |in        |          |1     |or feature|
|                  |      |vulnerable|          |          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|                  |14.x  |None      |14.0.0    |          |      |          |
|                  +------+----------+----------+          |      |          |
|                  |13.x  |13.1.0    |13.1.0.4  |          |      |          |
|                  |      |13.0.0    |13.0.1    |          |      |APM as a  |
|BIG-IP (APM)      +------+----------+----------+Medium    |4.2   |SAML      |
|                  |12.x  |12.1.0 -  |12.1.3.4  |          |      |Service   |
|                  |      |12.1.3    |          |          |      |Provider  |
|                  +------+----------+----------+          |      |          |
|                  |11.x  |11.6.1 -  |11.6.3.2  |          |      |          |
|                  |      |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|      |          |
+------------------+------+----------+----------+----------+------+----------+
|                  |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 The Using APM as a SAML Service Provider chapter of the BIG-IP Access
    Policy Manager: Authentication and Single Sign-On manual

    Note: For information about how to locate F5 product manuals, refer to
    K12453464: Finding product documentation on AskF5.

  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 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

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=x6n/
-----END PGP SIGNATURE-----

« Back to bulletins