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

                               ESB-2019.4499
              F5 SSL Orchestrator vulnerability CVE-2019-6674
                             28 November 2019

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

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

Product:           F5 SSL Orchestrator
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-6674  

Original Bulletin: 
   https://support.f5.com/csp/article/K21135478

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K21135478: F5 SSL Orchestrator vulnerability CVE-2019-6674

Original Publication Date: 27 Nov, 2019

Security Advisory Description

The Traffic Management Microkernel (TMM) may crash when processing SSL
Orchestrator data in a service-chaining configuration. (CVE-2019-6674)

Impact

F5 SSL Orchestrator

TMM may restart, causing F5 SSL Orchestrator to experience traffic disruption
or a failover event.

BIG-IP / BIG-IQ / Enterprise Manager / F5 iWorkflow / Traffix SDC

There is no impact; these F5 products are not affected by this vulnerability.

Security Advisory Status

F5 Product Development has assigned ID 810657 (F5 SSL Orchestrator) 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, point 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        |          |1     |feature     |
|                 |      |vulnerable|          |          |      |            |
+-----------------+------+----------+----------+----------+------+------------+
|                 |15.x  |15.0.0 -  |15.0.1.1  |          |      |F5 SSL      |
|F5 SSL           |      |15.0.1    |          |          |      |Orchestrator|
|Orchestrator     +------+----------+----------+Medium    |5.9   |Service     |
|                 |14.x  |14.1.0 -  |14.1.2.1  |          |      |Chaining    |
|                 |      |14.1.2    |          |          |      |            |
+-----------------+------+----------+----------+----------+------+------------+
|                 |15.x  |None      |Not       |          |      |            |
|                 |      |          |applicable|          |      |            |
|                 +------+----------+----------+          |      |            |
|BIG-IP (LTM, AAM,|14.x  |None      |Not       |          |      |            |
|AFM, Analytics,  |      |          |applicable|          |      |            |
|APM, ASM, DNS,   +------+----------+----------+          |      |            |
|Edge Gateway,    |13.x  |None      |Not       |Not       |None  |None        |
|FPS, GTM, Link   |      |          |applicable|vulnerable|      |            |
|Controller, PEM, +------+----------+----------+          |      |            |
|WebAccelerator)  |12.x  |None      |Not       |          |      |            |
|                 |      |          |applicable|          |      |            |
|                 +------+----------+----------+          |      |            |
|                 |11.x  |None      |Not       |          |      |            |
|                 |      |          |applicable|          |      |            |
+-----------------+------+----------+----------+----------+------+------------+
|Enterprise       |3.x   |None      |Not       |Not       |None  |None        |
|Manager          |      |          |applicable|vulnerable|      |            |
+-----------------+------+----------+----------+----------+------+------------+
|                 |7.x   |None      |Not       |          |      |            |
|                 |      |          |applicable|          |      |            |
|BIG-IQ           +------+----------+----------+          |      |            |
|Centralized      |6.x   |None      |Not       |Not       |None  |None        |
|Management       |      |          |applicable|vulnerable|      |            |
|                 +------+----------+----------+          |      |            |
|                 |5.x   |None      |Not       |          |      |            |
|                 |      |          |applicable|          |      |            |
+-----------------+------+----------+----------+----------+------+------------+
|F5 iWorkflow     |2.x   |None      |Not       |Not       |None  |None        |
|                 |      |          |applicable|vulnerable|      |            |
+-----------------+------+----------+----------+----------+------+------------+
|Traffix SDC      |5.x   |None      |Not       |Not       |None  |None        |
|                 |      |          |applicable|vulnerable|      |            |
+-----------------+------+----------+----------+----------+------+------------+

^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

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