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AUSCERT External Security Bulletin Redistribution
ESB-2019.4309
BIG-IP APM apd vulnerability CVE-2019-6661
15 November 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP APM
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-6661
Original Bulletin:
https://support.f5.com/csp/article/K61705126
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K61705126:BIG-IP APM apd vulnerability CVE-2019-6661
Security Advisory
Original Publication Date: 15 Nov, 2019
Security Advisory Description
When the BIG-IP APM system processes certain requests, the apd/apmd process may
consume excessive resources. (CVE-2019-6661)
Impact
BIG-IP APM
When this vulnerability is exploited, the BIG-IP APM system may experience
excessive resource consumption, which may cause one of the following:
o Degraded overall throughput
o A failover event
BIG-IP systems that are not provisioned with BIG-IP APM are not affected.
Security Advisory Status
F5 Product Development has assigned ID 758018 (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| | | | |
+-----------------+------+----------+----------+----------+------+------------+
| |15.x |None |15.0.0 | | | |
| +------+----------+----------+ | | |
| | |14.1.0 - |14.1.2.1 | | | |
| | |14.1.2 | | | | |
| |14.x +----------+----------+ | | |
| | |14.0.0 - |14.0.1.1 | | | |
| | |14.0.1 | | | | |
| +------+----------+----------+ | | |
| |13.x |13.0.0 - |13.1.3.2 | | |apd/apmd |
|BIG-IP (APM) | |13.1.3 | |Medium |4.3 | process |
| +------+----------+----------+ | | |
| |12.x |12.1.0 - |12.1.5 | | | |
| | |12.1.4 | | | | |
| +------+----------+----------+ | | |
| |11.6.x|11.6.2 - |11.6.5.1 | | | |
| | |11.6.5 | | | | |
| +------+----------+----------+ | | |
| |11.5.x|None |Not | | | |
| | | |applicable| | | |
+-----------------+------+----------+----------+----------+------+------------+
| |14.x |None |Not | | | |
| | | |applicable| | | |
|BIG-IP (LTM, AAM,+------+----------+----------+ | | |
|AFM, Analytics, |13.x |None |Not | | | |
|ASM, DNS, Edge | | |applicable|Not | | |
|Gateway, FPS, +------+----------+----------+vulnerable|None |None |
|GTM, Link |12.x |None |Not | | | |
|Controller, PEM, | | |applicable| | | |
|WebAccelerator) +------+----------+----------+ | | |
| |11.x |None |Not | | | |
| | | |applicable| | | |
+-----------------+------+----------+----------+----------+------+------------+
|Enterprise |3.x |None |Not |Not |None |None |
|Manager | | |applicable|vulnerable| | |
+-----------------+------+----------+----------+----------+------+------------+
| |6.x |None |Not | | | |
|BIG-IQ | | |applicable|Not | | |
|Centralized +------+----------+----------+vulnerable|None |None |
|Management |5.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 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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