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AUSCERT External Security Bulletin Redistribution
ESB-2018.1643.2
BIG-IP Configuration utility vulnerability CVE-2018-5523
14 August 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: BIG-IP Products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-5523
Original Bulletin:
https://support.f5.com/csp/article/K50254952
Revision History: August 14 2018: Updated security advisory status table.
June 1 2018: Initial Release
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K50254952:BIG-IP Configuration utility vulnerability CVE-2018-5523
Security Advisory
Original Publication Date: 31 May, 2018
Latest Publication Date: 14 Aug, 2018
Security Advisory Description
When authenticated administrative users run commands in the Traffic Management
User Interface (TMUI), also referred to as the BIG-IP Configuration utility,
restrictions on allowed commands may not be enforced. (CVE-2018-5523)
Impact
BIG-IP and Enterprise Manager
This vulnerability allows a privilege escalation for authenticated
administrative users.
BIG-IQ, F5 iWorkflow, ARX, LineRate, and Traffix SDC
There is no impact; these F5 products are not affected by this vulnerability.
Security Advisory Status
F5 Product Development has assigned ID 699455 (BIG-IP), and ID 701891
(Enterprise Manager) to this vulnerability. Additionally, BIG-IP iHealth may
list Heuristic H50254952 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.
+---------------+------+----------+----------+----------+------+-------------+
| | |Versions |Fixes | |CVSSv3|Vulnerable |
|Product |Branch|known to |introduced|Severity |score^|component or |
| | |be |in | |1 |feature |
| | |vulnerable| | | | |
+---------------+------+----------+----------+----------+------+-------------+
| |14.x |None |14.0.0 | | | |
| +------+----------+----------+ | | |
|BIG-IP (LTM, |13.x |13.1.0 |13.1.0.4 | | | |
|AAM, AFM, | |13.0.0 |13.0.1 | | | |
|Analytics, APM,+------+----------+----------+ | | |
|ASM, DNS, Edge |12.x |12.1.0 - |12.1.3.2 | | |Configuration|
|Gateway, FPS, | |12.1.3 | |Medium |6.6 |utility |
|GTM, Link +------+----------+----------+ | | |
|Controller, | |11.6.1 - | | | | |
|PEM, | |11.6.3 |11.6.3.2 | | | |
|WebAccelerator)|11.x |11.5.1 - |11.5.6 | | | |
| | |11.5.5 | | | | |
| | |11.2.1 | | | | |
+---------------+------+----------+----------+----------+------+-------------+
|ARX |6.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+---------------+------+----------+----------+----------+------+-------------+
|Enterprise |3.x |3.1.1 |None |Medium |6.6 |Configuration|
|Manager | | | | | |utility |
+---------------+------+----------+----------+----------+------+-------------+
| |5.x |None |Not | | | |
|BIG-IQ | | |applicable|Not | | |
|Centralized +------+----------+----------+vulnerable|None |None |
|Management |4.x |None |Not | | | |
| | | |applicable| | | |
+---------------+------+----------+----------+----------+------+-------------+
|BIG-IQ Cloud | | |Not |Not | | |
|and |1.x |None |applicable|vulnerable|None |None |
|Orchestration | | | | | | |
+---------------+------+----------+----------+----------+------+-------------+
|F5 iWorkflow |2.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+---------------+------+----------+----------+----------+------+-------------+
|LineRate |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 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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