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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
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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
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