ESB-2018.2077 - [Appliance] F5 BIG-IP products and F5 BIG-IQ products: Reduced security - Unknown/unspecified 2018-07-19

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

                               ESB-2018.2077
                K82038789:big3d vulnerability CVE-2018-5540
                               19 July 2018

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

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

Product:           F5 BIG-IP products
                   F5 BIG-IQ products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Reduced Security -- Unknown/Unspecified
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5532  

Original Bulletin: 
   https://support.f5.com/csp/article/K82038789

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K82038789:big3d vulnerability CVE-2018-5540

Security Advisory

Original Publication Date: 19 Jul, 2018

Security Advisory Description

The big3d process does not irrevocably minimize group privileges at startup. (
CVE-2018-5540)

Impact

There is not a known attack vector, but if the big3d process is compromised,
it is possible for it to regain the group privileges it was launched with.

Security Advisory Status

F5 Product Development has assigned ID 603758 (BIG-IP), ID 726215 (BIG-IQ), ID
726211 (Enterprise Manager), and ID 726215 (iWorkflow) 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|          |          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|                  |13.x  |13.0.0 -  |13.1.0    |          |      |          |
|                  |      |13.0.1    |          |          |      |          |
|                  +------+----------+----------+          |      |          |
|BIG-IP (DNS, GTM) |12.x  |12.1.0 -  |12.1.3.4  |          |      |          |
|                  |      |12.1.3    |          |Low       |3.9   |big3d     |
|                  +------+----------+----------+          |      |          |
|                  |      |11.6.0 -  |          |          |      |          |
|                  |11.x  |11.6.3    |11.6.3.2  |          |      |          |
|                  |      |11.5.1 -  |11.5.7    |          |      |          |
|                  |      |11.5.6    |          |          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|BIG-IP (LTM, AAM, |13.x  |None      |Not       |          |      |          |
|AFM, Analytics,   |      |          |applicable|          |      |          |
|APM, ASM, Edge    +------+----------+----------+          |      |          |
|Gateway, Link     |12.x  |None      |Not       |Not       |None  |None      |
|Controller, PEM,  |      |          |applicable|Vulnerable|      |          |
|WebAccelerator,   +------+----------+----------+          |      |          |
|WebSafe)          |11.x  |None      |Not       |          |      |          |
|                  |      |          |applicable|          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|ARX               |6.x   |None      |Not       |Not       |None  |None      |
|                  |      |          |applicable|Vulnerable|      |          |
+------------------+------+----------+----------+----------+------+----------+
|Enterprise Manager|3.x   |3.1.1     |Not       |Low       |3.9   |big3d     |
|                  |      |          |applicable|          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|                  |6.x   |None      |Not       |          |      |          |
|                  |      |          |applicable|          |      |          |
|                  +------+----------+----------+          |      |          |
|BIG-IQ Centralized|5.x   |5.0.0 -   |5.2.0     |Low       |3.9   |big3d     |
|Management        |      |5.1.0     |          |          |      |          |
|                  +------+----------+----------+          |      |          |
|                  |4.x   |None      |Not       |          |      |          |
|                  |      |          |applicable|          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|BIG-IQ Cloud and  |1.x   |1.0.0     |None      |Low       |3.9   |big3d     |
|Orchestration     |      |          |          |          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|F5 iWorkflow      |2.x   |2.1.0 -   |None      |Low       |3.9   |big3d     |
|                  |      |2.3.0     |          |          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|                  |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 K15106: Managing BIG-IQ product hotfixes
  o K15113: BIG-IQ hotfix 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
  o K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow systems

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