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AUSCERT External Security Bulletin Redistribution
ESB-2018.3356.2
K77313277: BIG-IP iControl & tmsh vulnerability CVE-2018-15325
13 November 2018
===========================================================================
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-2018-15325
Original Bulletin:
https://support.f5.com/csp/article/K77313277
Revision History: November 13 2018: Added mention of Heuristic H77313277.
October 31 2018: Initial Release
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K77313277: BIG-IP iControl & tmsh vulnerability CVE-2018-15325
Security Advisory
Original Publication Date: Oct 31, 2018
Security Advisory Description
iControl and TMSH usage by authenticated users may leak a small amount of
memory when executing commands. (CVE-2018-15325)
Impact
This vulnerability may lead to an out-of-memory condition in the BIG-IP control
plane, resulting in performance degradation and possible failover to another
system in the high availability (HA) group.
Security Advisory Status
F5 Product Development has assigned IDs 705799 and 734822 (BIG-IP) to this
vulnerability. Additionally, BIG-IP iHealth may list Heuristic H77313277 on
the Diagnostics > Identified > Medium page.
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 |14.0.0 |14.0.0.3 | | | |
|BIG-IP (LTM, AAM, +------+----------+----------+ | | |
|AFM, Analytics, |13.x |13.0.0 - |13.1.1.2 | | | |
|APM, ASM, DNS, | |13.1.1 | | | | |
|Edge Gateway, FPS,+------+----------+----------+Medium |4.3 |None |
|GTM, Link |12.x |None |Not | | | |
|Controller, 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|vulnerablel| | |
| +------+----------+----------+ | | |
| |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 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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