ESB-2018.2036 - [Linux][Mac] F5 BIG-IP clients: Root compromise - Existing account 2018-07-12

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2036
   BIG-IP APM client for Linux and Mac OS X vulnerability CVE-2018-5529
                               12 July 2018

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

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

Product:           BIG-IP APM Client
                   BIG-IP Edge Client
Publisher:         F5 Networks
Operating System:  Linux variants
                   Mac OS
Impact/Access:     Root Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5529  

Original Bulletin: 
   https://support.f5.com/csp/article/K52171282

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K52171282: BIG-IP APM client for Linux and Mac OS X vulnerability CVE-2018-5529

Security Advisory

Original Publication Date: Jul 12, 2018

Security Advisory Description

The svpn component of the BIG-IP APM client for Linux and Mac OS X runs as a
privileged process and can allow an unprivileged user to assume super-user
privileges on the local client host. (CVE-2018-5529)

Impact

A malicious, local, unprivileged user may gain knowledge of sensitive
information, manipulate certain data, or disrupt service.

Security Advisory Status

F5 Product Development has assigned IDs 693810 and 704184 (BIG-IP APM and APM
Clients) 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        |          |      |or feature|
|                   |      |vulnerable|          |          |      |          |
|-------------------+------+----------+----------+----------+------+----------|
|                   |13.x  |13.0.0 -  |None^1    |          |      |          |
|                   |      |13.1.0    |          |          |      |Linux/Mac |
|                   |------+----------+----------|          |      |OS X VPN  |
|BIG-IP (APM)       |12.x  |12.1.0 -  |None      |High      |7.8   |client    |
|                   |      |12.1.3    |          |          |      |component |
|                   |------+----------+----------|          |      |(svpn)    |
|                   |11.x  |11.5.1 -  |None      |          |      |          |
|                   |      |11.5.6    |          |          |      |          |
|-------------------+------+----------+----------+----------+------+----------|
|                   |      |          |          |          |      |Linux/Mac |
|                   |      |7.1.5 -   |          |          |      |OS X VPN  |
|BIG-IP APM Clients |7.1.x |7.1.6.1   |7.1.7^1   |High      |7.8   |client    |
|                   |      |          |          |          |      |component |
|                   |      |          |          |          |      |(svpn)    |
|-------------------+------+----------+----------+----------+------+----------|
|                   |      |          |          |          |      |Linux/Mac |
|                   |      |7101 -    |          |          |      |OS X VPN  |
|BIG-IP Edge Client |71xx  |7150      |None      |High      |7.8   |client    |
|                   |      |          |          |          |      |component |
|                   |      |          |          |          |      |(svpn)    |
|-------------------+------+----------+----------+----------+------+----------|
|BIG-IP (LTM, AAM,  |13.x  |None      |Not       |          |      |          |
|AFM, Analytics,    |      |          |applicable|          |      |          |
|ASM, DNS, Edge     |------+----------+----------|          |      |          |
|Gateway, FPS, GTM, |12.x  |None      |Not       |Not       |None  |None      |
|Link Controller,   |      |          |applicable|vulnerable|      |          |
|PEM,               |------+----------+----------|          |      |          |
|WebAccelerator)    |11.x  |None      |Not       |          |      |          |
|                   |      |          |applicable|          |      |          |
|-------------------+------+----------+----------+----------+------+----------|
|ARX                |6.x   |None      |Not       |Not       |None  |None      |
|                   |      |          |applicable|vulnerable|      |          |
|-------------------+------+----------+----------+----------+------+----------|
|Enterprise Manager |3.x   |None      |Not       |Not       |None  |None      |
|                   |      |          |applicable|vulnerable|      |          |
|-------------------+------+----------+----------+----------+------+----------|
|                   |5.x   |None      |Not       |          |      |          |
|BIG-IQ Centralized |      |          |applicable|Not       |      |          |
|Management         |------+----------+----------|vulnerable|None  |None      |
|                   |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|      |          |
|-------------------+------+----------+----------+----------+------+----------|
|LineRate           |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 In BIG-IP 13.1.0 and later, you can update APM client components
independently from BIG-IP software. APM Clients 7.1.5, which is bundled with
BIG-IP 13.1.0, is affected by this vulnerability. To address this
vulnerability, customers running BIG-IP 13.1.0 and later can download and
install APM Clients 7.1.7.

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

Acknowledgements

F5 would like to acknowledge Rich Mirch for bringing this issue to our
attention and following the highest standards of responsible disclosure.

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