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             AUSCERT External Security Bulletin Redistribution

        BIG-IP APM Edge Client logging vulnerability CVE-2019-6656
                             25 September 2019


        AusCERT Security Bulletin Summary

Product:           BIG-IP APM Edge Client
Publisher:         F5 Networks
Operating System:  Windows
                   Mac OS
                   Linux variants
                   Apple iOS
Impact/Access:     Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-6656  

Original Bulletin: 

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K23876153: BIG-IP APM Edge Client logging vulnerability CVE-2019-6656

Security Advisory

Original Publication Date: 25 Sep, 2019

Security Advisory Description

BIG-IP APM Edge Client logs the full BIG-IP APM session ID in the log files. (


This vulnerability may allow unauthorized disclosure of the BIG-IP APM session
ID and expose sensitive information to the user of the client device.

Security Advisory Status

F5 Product Development has assigned IDs 773653, 773649, 773641, 773637, 773633,
and 773621 (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, 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 known to  |                   |          |CVSSv3|Vulnerable|
|Product        |Branch|be vulnerable      |Fixes introduced in|Severity  |score^|component |
|               |      |                   |                   |          |1     |or feature|
|               |15.x  |15.0.0 - 15.0.1    |None               |          |      |          |
|               +------+-------------------+-------------------+          |      |          |
|               |14.x  |14.1.0             |14.1.2             |          |      |          |
|BIG-IP (APM)   |      |14.0.0             |           |          |      |BIG-IP    |
|               +------+-------------------+-------------------+Low       |3.8   |Edge      |
|               |13.x  |13.1.0 - 13.1.2    |13.1.3             |          |      |Client    |
|               +------+-------------------+-------------------+          |      |logging   |
|               |12.x  |12.1.0 - 12.1.5    |None               |          |      |          |
|               +------+-------------------+-------------------+          |      |          |
|               |11.x  |11.5.2 - 11.6.5    |None               |          |      |          |
|               |      |                   |7.1.8              |          |      |BIG-IP    |
|BIG-IP APM     |7.1.x |7.1.5 - 7.1.8      |(7180.2019.508.705)|Low       |3.8   |Edge      |
|Clients        |      |(7180.2019.119.331)|^2                 |          |      |Client    |
|               |      |                   |                   |          |      |logging   |
|BIG-IP (LTM,   |15.x  |None               |Not applicable     |          |      |          |
|AAM, AFM,      +------+-------------------+-------------------+          |      |          |
|Analytics, ASM,|14.x  |None               |Not applicable     |          |      |          |
|DNS, Edge      +------+-------------------+-------------------+Not       |      |          |
|Gateway, FPS,  |13.x  |None               |Not applicable     |vulnerable|None  |None      |
|GTM, Link      +------+-------------------+-------------------+          |      |          |
|Controller,    |12.x  |None               |Not applicable     |          |      |          |
|PEM,           +------+-------------------+-------------------+          |      |          |
|WebAccelerator)|11.x  |None               |Not applicable     |          |      |          |
|Enterprise     |3.x   |None               |Not applicable     |Not       |None  |None      |
|Manager        |      |                   |                   |vulnerable|      |          |
|               |7.x   |None               |Not applicable     |          |      |          |
|BIG-IQ         +------+-------------------+-------------------+Not       |      |          |
|Centralized    |6.x   |None               |Not applicable     |vulnerable|None  |None      |
|Management     +------+-------------------+-------------------+          |      |          |
|               |5.x   |None               |Not applicable     |          |      |          |
|F5 iWorkflow   |2.x   |None               |Not applicable     |Not       |None  |None      |
|               |      |                   |                   |vulnerable|      |          |
|Traffix SDC    |5.x   |None               |Not applicable     |Not       |None  |None      |
|               |      |                   |                   |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.

^2In BIG-IP APM 13.1.0 and later, the APM Clients components can be updated
independently from BIG-IP software. For more information, refer to K52547540:
Updating BIG-IP Edge Client for the BIG-IP APM system and K13757: BIG-IP Edge
Client version matrix.

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.



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 - 15.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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