ESB-2018.0597.2 - UPDATE [Appliance] F5 BIG-IP Products: Execute arbitrary code/commands - Existing account 2018-06-19

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

                              ESB-2018.0597.2
                K75543432: PHP vulnerability CVE-2017-11628
                               19 June 2018

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

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

Product:           F5 BIG-IP Products
Publisher:         F5 Networks
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Denial of Service               -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-11628  

Reference:         ESB-2017.2174
                   ESB-2017.1989.2

Original Bulletin: 
   https://support.f5.com/csp/article/K75543432

Revision History:  June  19 2018: Updated security advisory status table.
                   March  1 2018: Initial Release

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

K75543432:PHP vulnerability CVE-2017-11628

Security Advisory

Original Publication Date: 07 Nov, 2017

Latest   Publication Date: 19 Jun, 2018

Security Advisory Description

In PHP before 5.6.31, 7.x before 7.0.21, and 7.1.x before 7.1.7, a stack-based
buffer overflow in the zend_ini_do_op() function in Zend/zend_ini_parser.c
could cause a denial of service or potentially allow executing code. NOTE:
this is only relevant for PHP applications that accept untrusted input
(instead of the system's php.ini file) for the parse_ini_string or
parse_ini_file function, e.g., a web application for syntax validation of
php.ini directives. (CVE-2017-11628)

Impact

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

Security Advisory Status

F5 Product Development has assigned ID 688625 (BIG-IP) to this vulnerability.
Additionally, BIG-IP iHealth may list Heuristic H75543432 on the Diagnostics >
Identified > Low page.

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.

+--------------+-------------+---------------+----------+------+-------------+
|              |Versions     |Versions known |          |CVSSv3|Vulnerable   |
|Product       |known to be  |to be not      |Severity  |score^|component or |
|              |vulnerable   |vulnerable     |          |1     |feature      |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0 -     |               |          |      |             |
|              |13.1.0       |               |          |      |             |
|              |12.0.0 -     |12.1.3.2       |          |      |             |
|BIG-IP LTM    |12.1.3       |11.6.3.2       |Low       |4.0   |PHP          |
|              |11.5.1 -     |               |          |      |             |
|              |11.6.3       |               |          |      |             |
|              |11.2.1       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0-      |               |          |      |             |
|              |13.1.0       |               |          |      |             |
|BIG-IP AAM    |12.0.0 -     |12.1.3.2       |Low       |4.0   |PHP          |
|              |12.1.3       |11.6.3.2       |          |      |             |
|              |11.5.1 -     |               |          |      |             |
|              |11.6.3       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0-      |               |          |      |             |
|              |13.1.0       |               |          |      |             |
|BIG-IP AFM    |12.0.0 -     |12.1.3.2       |Low       |4.0   |PHP          |
|              |12.1.3       |               |          |      |             |
|              |11.5.1 -     |               |          |      |             |
|              |11.6.3       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0-      |               |          |      |             |
|              |13.1.0       |               |          |      |             |
|BIG-IP        |12.0.0 -     |12.1.3.2       |          |      |             |
|Analytics     |12.1.3       |11.6.3.2       |Low       |4.0   |PHP          |
|              |11.5.1 -     |               |          |      |             |
|              |11.6.3       |               |          |      |             |
|              |11.2.1       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0-      |               |          |      |             |
|              |13.1.0       |               |          |      |             |
|              |12.0.0 -     |12.1.3.2       |          |      |             |
|BIG-IP APM    |12.1.3       |11.6.3.2       |Low       |4.0   |PHP          |
|              |11.5.1 -     |               |          |      |             |
|              |11.6.3       |               |          |      |             |
|              |11.2.1       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0-      |               |          |      |             |
|              |13.1.0       |               |          |      |             |
|              |12.0.0 -     |12.1.3.2       |          |      |             |
|BIG-IP ASM    |12.1.3       |11.6.3.2       |Low       |4.0   |PHP          |
|              |11.5.1 -     |               |          |      |             |
|              |11.6.3       |               |          |      |             |
|              |11.2.1       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0-      |               |          |      |             |
|BIG-IP DNS    |13.1.0       |12.1.3.2       |Low       |4.0   |PHP          |
|              |12.0.0 -     |               |          |      |             |
|              |12.1.3       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|BIG-IP Edge   |11.2.1       |None           |Low       |4.0   |PHP          |
|Gateway       |             |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |11.5.1 -     |               |          |      |             |
|BIG-IP GTM    |11.6.3       |11.6.3.2       |Low       |4.0   |PHP          |
|              |11.2.1       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0-      |               |          |      |             |
|              |13.1.0       |               |          |      |             |
|BIG-IP Link   |12.0.0 -     |12.1.3.2       |          |      |             |
|Controller    |12.1.3       |11.6.3.2       |Low       |4.0   |PHP          |
|              |11.5.1 -     |               |          |      |             |
|              |11.6.3       |               |          |      |             |
|              |11.2.1       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0-      |               |          |      |             |
|              |13.1.0       |               |          |      |             |
|BIG-IP PEM    |12.0.0 -     |12.1.3.2       |Low       |4.0   |PHP          |
|              |12.1.3       |11.6.3.2       |          |      |             |
|              |11.5.1 -     |               |          |      |             |
|              |11.6.3       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|BIG-IP        |11.2.1       |None           |Low       |4.0   |PHP          |
|WebAccelerator|             |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|              |13.0.0-      |               |          |      |             |
|              |13.1.0       |               |          |      |             |
|F5 WebSafe    |12.0.0 -     |12.1.3.2       |Low       |4.0   |PHP          |
|              |12.1.3       |11.6.3.2       |          |      |             |
|              |11.6.2 -     |               |          |      |             |
|              |11.6.3       |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|ARX           |None         |6.2.0 - 6.4.0  |Not       |None  |None         |
|              |             |               |vulnerable|      |             |
+--------------+-------------+---------------+----------+------+-------------+
|Enterprise    |None         |3.1.1          |Not       |None  |None         |
|Manager       |             |               |vulnerable|      |             |
+--------------+-------------+---------------+----------+------+-------------+
|BIG-IQ Cloud  |None         |4.4.0 - 4.5.0  |Not       |None  |None         |
|              |             |               |vulnerable|      |             |
+--------------+-------------+---------------+----------+------+-------------+
|BIG-IQ Device |None         |4.4.0 - 4.5.0  |Not       |None  |None         |
|              |             |               |vulnerable|      |             |
+--------------+-------------+---------------+----------+------+-------------+
|BIG-IQ        |None         |4.4.0 - 4.5.0  |Not       |None  |None         |
|Security      |             |               |vulnerable|      |             |
+--------------+-------------+---------------+----------+------+-------------+
|BIG-IQ ADC    |None         |4.5.0          |Not       |None  |None         |
|              |             |               |vulnerable|      |             |
+--------------+-------------+---------------+----------+------+-------------+
|BIG-IQ        |             |5.0.0 - 5.3.0  |Not       |      |             |
|Centralized   |None         |4.6.0          |vulnerable|None  |None         |
|Management    |             |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|BIG-IQ Cloud  |             |               |Not       |      |             |
|and           |None         |1.0.0          |vulnerable|None  |None         |
|Orchestration |             |               |          |      |             |
+--------------+-------------+---------------+----------+------+-------------+
|F5 iWorkflow  |None         |2.0.0 - 2.3.0  |Not       |None  |None         |
|              |             |               |vulnerable|      |             |
+--------------+-------------+---------------+----------+------+-------------+
|LineRate      |None         |2.5.0 - 2.6.2  |Not       |None  |None         |
|              |             |               |vulnerable|      |             |
+--------------+-------------+---------------+----------+------+-------------+
|Traffix SDC   |None         |5.0.0 - 5.1.0  |Not       |None  |None         |
|              |             |4.0.0 - 4.4.0  |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 Versions known to be not vulnerable 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

To mitigate this vulnerability, you should permit management access to F5
products only over a secure network and restrict command line access for
affected systems to trusted users. For more information, refer to K13309:
Restricting access to the Configuration utility by source IP address (11.x -
13.x) and K13092: Overview of securing access to the BIG-IP system.

Supplemental Information

  o K9970: Subscribing to email notifications regarding F5 products
  o K9957: Creating a custom RSS feed to view new and updated documents
  o K4602: Overview of the F5 security vulnerability response policy
  o K4918: Overview of the F5 critical issue hotfix policy
  o K167: Downloading software and firmware from F5

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=d9By
-----END PGP SIGNATURE-----

« Back to bulletins