ESB-2018.1902.3 - UPDATE [Appliance] F5 BIG-IP products: Modify arbitrary files - Existing account 2018-10-09

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

                              ESB-2018.1902.3
           F5 BIG-IP 13.1.0.8 patches Linux kernel vulnerability
                              9 October 2018

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

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

Product:           F5 BIG-IP products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Modify Arbitrary Files   -- Existing Account
                   Denial of Service        -- Existing Account
                   Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-9074  

Reference:         ESB-2018.0268
                   ESB-2017.1548
                   ESB-2017.1526.2

Original Bulletin: 
   https://support.f5.com/csp/article/K61223103

Revision History:  October 9 2018: Updated "Security Advisory Status" table.
                   July    3 2018: Heuristic H61223103 has been added to detect this.
                   July    2 2018: Initial Release

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K61223103:Linux kernel vulnerability CVE-2017-9074

Security Advisory

Original Publication Date: 16 Mar, 2018

Latest   Publication Date: 09 Oct, 2018

Security Advisory Description

The IPv6 fragmentation implementation in the Linux kernel through 4.11.1 does
not consider that the nexthdr field may be associated with an invalid option,
which allows local users to cause a denial of service (out-of-bounds read and
BUG) or possibly have unspecified other impact via crafted socket and send
system calls. (CVE-2017-9074)

Impact

This vulnerability allows unauthorized disclosure of information, unauthorized
modification, and disruption of service.


Security Advisory Status

F5 Product Development has assigned ID 709256 (BIG-IP), ID 710329 (BIG-IQ), ID
710328 (Enterprise Manager), and ID 710329 (F5 iWorkflow) to this
vulnerability. Additionally, BIG-IP iHealth may list Heuristic H61223103 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    |None      |          |      |          |
|                  +------+----------+----------+          |      |          |
|BIG-IP (LTM, AAM, |13.x  |13.0.0 -  |13.1.0.8  |          |      |          |
|AFM, Analytics,   |      |13.1.0    |          |          |      |          |
|APM, ASM, DNS,    +------+----------+----------+          |      |          |
|Edge Gateway,     |12.x  |12.1.0 -  |12.1.3.3  |          |      |          |
|GTM, Link         |      |12.1.3    |          |Medium    |5.5   |Kernel    |
|Controller, PEM,  +------+----------+----------+          |      |          |
|WebAccelerator,   |      |11.6.0 -  |11.6.3.1  |          |      |          |
|WebSafe)          |      |11.6.3    |          |          |      |          |
|                  |11.x  +----------+----------+          |      |          |
|                  |      |11.2.1 -  |11.5.6    |          |      |          |
|                  |      |11.5.5    |          |          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|ARX               |6.x   |None      |Not       |Not       |None  |None      |
|                  |      |          |applicable|vulnerable|      |          |
+------------------+------+----------+----------+----------+------+----------+
|Enterprise Manager|3.x   |3.1.1     |Not       |Medium    |5.5   |Kernel    |
|                  |      |          |applicable|          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|                  |5.x   |5.0.0 -   |Not       |          |      |          |
|BIG-IQ Centralized|      |5.4.0     |applicable|          |      |          |
|Management        +------+----------+----------+Medium    |5.5   |Kernel    |
|                  |4.x   |4.6.0     |Not       |          |      |          |
|                  |      |          |applicable|          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|BIG-IQ Cloud and  |1.x   |1.0.0     |Not       |Medium    |5.5   |Kernel    |
|Orchestration     |      |          |applicable|          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|F5 iWorkflow      |2.x   |2.0.1 -   |Not       |Medium    |5.5   |Kernel    |
|                  |      |2.3.0     |applicable|          |      |          |
+------------------+------+----------+----------+----------+------+----------+
|LineRate          |2.x   |None      |Not       |Not       |None  |None      |
|                  |      |          |applicable|vulnerable|      |          |
+------------------+------+----------+----------+----------+------+----------+
|                  |5.x   |5.0.0 -   |None      |          |      |          |
|                  |      |5.1.0     |          |          |      |          |
|Traffix SDC       +------+----------+----------+Medium    |5.5   |Kernel    |
|                  |4.x   |4.0.5 -   |None      |          |      |          |
|                  |      |4.4.0     |          |          |      |          |
+------------------+------+----------+----------+----------+------+----------+

^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 K21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow systems
  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

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