ESB-2018.2080.2 - UPDATE [Appliance] F5 BIG-IP products: Denial of service - Remote/unauthenticated 2018-08-15

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

                              ESB-2018.2080.2
       SSL forward proxy vulnerability CVE-2018-5533, CVE-2018-5534
                              15 August 2018

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

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

Product:           F5 BIG-IP products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5534 CVE-2018-5533 

Original Bulletin: 
   https://support.f5.com/csp/article/K64552448
   https://support.f5.com/csp/article/K45325728

Comment: This bulletin contains two (2) F5 Networks security advisories.

Revision History:  August 15 2018: Update to K64552448 from F5
                   July   19 2018: Initial Release

- --------------------------BEGIN INCLUDED TEXT--------------------

K64552448:SSL forward proxy vulnerability CVE-2018-5534

Security Advisory

Original Publication Date: 19 Jul, 2018

Security Advisory Description

Under certain conditions, TMM may core while processing SSL forward proxy
traffic. (CVE-2018-5534)

Impact

This vulnerability may allow a remote attacker to cause the Traffic Management
Microkernel (TMM) to produce a core file, resulting in a service disruption.

Security Advisory Status
K64552448: SSL forward proxy vulnerability CVE-2018-5534

Security Advisory

  
Original Publication Date: Jul 19, 2018
Updated Date: Aug 15, 2018

Security Advisory Description

Under certain conditions, TMM may core while processing SSL forward proxy
traffic. (CVE-2018-5534)

Impact

This vulnerability may allow a remote attacker to cause the Traffic Management
Microkernel (TMM) to produce a core file, resulting in a service disruption.

Security Advisory Status

F5 Product Development has assigned ID 686305 (BIG-IP) to this vulnerability.
Additionally, BIG-IP iHealth may list Heuristic H64552448 on the Diagnostics >
Identified > High 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 or|
|                 |      |be        |in        |          |      |feature     |
|                 |      |vulnerable|          |          |      |            |
+-----------------+------+----------+----------+----------+------+------------+
|                 |14.x  |None      |14.0.0    |          |      |            |
|                 +------+----------+----------+          |      |            |
|BIG-IP (LTM, AAM,|13.x  |13.1.0    |13.1.0.6  |          |      |Virtual     |
|AFM, Analytics,  |      |13.0.0    |13.0.1    |          |      |servers     |
|APM, ASM, DNS,   +------+----------+----------+          |      |using an SSL|
|Edge Gateway,    |12.x  |12.1.0 -  |12.1.3.2  |High      |7.5   |profile that|
|FPS, GTM, Link   |      |12.1.3    |          |          |      |has SSL     |
|Controller, PEM, +------+----------+----------+          |      |Forward     |
|WebAccelerator)  |      |11.6.1 -  |          |          |      |Proxy       |
|                 |11.x  |11.6.3    |11.6.3.2  |          |      |enabled     |
|                 |      |11.5.0 -  |11.5.7    |          |      |            |
|                 |      |11.5.6    |          |          |      |            |
+-----------------+------+----------+----------+----------+------+------------+
|ARX              |6.x   |None      |Not       |Not       |None  |None        |
|                 |      |          |applicable|vulnerable|      |            |
+-----------------+------+----------+----------+----------+------+------------+
|Enterprise       |3.x   |None      |Not       |Not       |None  |None        |
|Manager          |      |          |applicable|vulnerable|      |            |
+-----------------+------+----------+----------+----------+------+------------+
|                 |6.x   |None      |Not       |          |      |            |
|                 |      |          |applicable|          |      |            |
|BIG-IQ           +------+----------+----------+          |      |            |
|Centralized      |5.x   |None      |Not       |Not       |None  |None        |
|Management       |      |          |applicable|vulnerable|      |            |
|                 +------+----------+----------+          |      |            |
|                 |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|          |      |            |
+-----------------+------+----------+----------+----------+------+------------+

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


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

K45325728:SSL forward proxy vulnerability CVE-2018-5533

Security Advisory

Original Publication Date: 19 Jul, 2018

Security Advisory Description

Under certain conditions, TMM may core while processing SSL forward proxy
traffic. (CVE-2018-5533)

Impact

This vulnerability may allow a remote attacker to cause the Traffic Management
Microkernel (TMM) to produce a core file, resulting in a service disruption.

Security Advisory Status

F5 Product Development has assigned ID 687193 (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  |
|                 |      |be        |in        |          |1     |or feature |
|                 |      |vulnerable|          |          |      |           |
+-----------------+------+----------+----------+----------+------+-----------+
|                 |13.x  |13.0.0    |13.1.0    |          |      |           |
|BIG-IP (LTM, AAM,|      |          |13.0.1    |          |      |Virtual    |
|AFM, Analytics,  +------+----------+----------+          |      |servers    |
|APM, ASM, DNS,   |12.x  |12.1.0 -  |12.1.3    |          |      |using an   |
|Edge Gateway,    |      |12.1.2    |          |High      |7.5   |SSL profile|
|FPS, GTM, Link   +------+----------+----------+          |      |that has   |
|Controller, PEM, |      |11.6.1 -  |          |          |      |SSL Forward|
|WebAccelerator)  |11.x  |11.6.3    |11.6.3.2  |          |      |Proxy      |
|                 |      |11.5.0 -  |11.5.7    |          |      |enabled    |
|                 |      |11.5.6    |          |          |      |           |
+-----------------+------+----------+----------+----------+------+-----------+
|ARX              |6.x   |None      |Not       |Not       |None  |None       |
|                 |      |          |applicable|vulnerable|      |           |
+-----------------+------+----------+----------+----------+------+-----------+
|Enterprise       |3.x   |None      |Not       |Not       |None  |None       |
|Manager          |      |          |applicable|vulnerable|      |           |
+-----------------+------+----------+----------+----------+------+-----------+
|                 |6.x   |None      |Not       |          |      |           |
|                 |      |          |applicable|          |      |           |
|BIG-IQ           +------+----------+----------+          |      |           |
|Centralized      |5.x   |None      |Not       |Not       |None  |None       |
|Management       |      |          |applicable|vulnerable|      |           |
|                 +------+----------+----------+          |      |           |
|                 |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 K13123: Managing BIG-IP product hotfixes (11.x - 13.x)
  o K15106: Managing BIG-IQ product hotfixes
  o K15113: BIG-IQ hotfix matrix
  o K12766: ARX hotfix matrix
  o K48955220: Installing an OPSWAT Endpoint Security update on BIG-IP APM
    systems (11.4.x and later)
  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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