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AUSCERT External Security Bulletin Redistribution
ESB-2018.2427.4
K54431371:BIG-IP APM client for Linux and macOS
vulnerabilitiy CVE-2018-5546
1 April 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP APM client
Publisher: F5 Networks
Operating System: Linux variants
Mac OS
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-5546
Original Bulletin:
https://support.f5.com/csp/article/K54431371
Revision History: April 1 2019: Updated with latest publication
February 1 2019: Patches released for multiple versions
September 7 2018: Update from F5 Networks
August 20 2018: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
K54431371:BIG-IP APM client for Linux and macOS vulnerability CVE-2018-5546
Security Advisory
Original Publication Date: 17 Aug, 2018
Latest Publication Date: 30 Mar, 2019
Security Advisory Description
The svpn and policyserver components of the F5 BIG-IP APM client prior to
version 7.1.7.1 for Linux and macOS runs as a privileged process and can allow
an unprivileged user to get ownership of files owned by root on the local
client host. (CVE-2018-5546)
Impact
A malicious, local, unprivileged user may gain knowledge of sensitive
information, manipulate certain data, or assume super-user privileges on the
local client host.
Security Advisory Status
F5 Product Development has assigned IDs 739090 and 739094 (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 or|
| | |be |in | |1 |feature |
| | |vulnerable| | | | |
+-----------------+------+----------+----------+----------+------+------------+
| |14.x |14.0.0 |14.0.0.2 | | | |
| | | |14.1.0^2 | | | |
| +------+----------+----------+ | |The svpn and|
| |13.x |13.0.0 - |13.1.1.2^2| | |policyserver|
| | |13.1.1 | | | |APM client |
|BIG-IP (APM) +------+----------+----------+High |7.8 |components |
| |12.x |12.1.0 - |12.1.3.7 | | |for Linux |
| | |12.1.3 | | | |and macOS |
| +------+----------+----------+ | | |
| |11.x |11.5.1 - |11.6.3.3 | | | |
| | |11.6.3 |11.5.9 | | | |
+-----------------+------+----------+----------+----------+------+------------+
| | | | | | |The svpn and|
| | | | | | |policyserver|
|APM Clients |7.1.x |7.1.5 - |7.1.7.1^2 |High |7.8 |APM client |
| | |7.1.7 | | | |components |
| | | | | | |for Linux |
| | | | | | |and macOS |
+-----------------+------+----------+----------+----------+------+------------+
| | | | | | |The svpn and|
| | | | | | |policyserver|
| | |7150 - |7171^3 | | |APM client |
| | |7170 | | | |components |
| | | | | | |for Linux |
|BIG-IP Edge |71xx | | |High |7.8 |and macOS |
|Client | +----------+----------+ | +------------+
| | | | | | |The svpn APM|
| | |7101 - | | | |client |
| | |714x |None^3 | | |components |
| | | | | | |for Linux |
| | | | | | |and macOS |
+-----------------+------+----------+----------+----------+------+------------+
| |14.x |None |Not | | | |
| | | |applicable| | | |
|BIG-IP (LTM, AAM,+------+----------+----------+ | | |
|AFM, Analytics, |13.x |None |Not | | | |
|ASM, DNS, Edge | | |applicable|Not | | |
|Gateway, FPS, +------+----------+----------+vulnerable|None |None |
|GTM, Link |12.x |None |Not | | | |
|Controller, PEM, | | |applicable| | | |
|WebAccelerator) +------+----------+----------+ | | |
| |11.x |None |Not | | | |
| | | |applicable| | | |
+-----------------+------+----------+----------+----------+------+------------+
|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| | | |
+-----------------+------+----------+----------+----------+------+------------+
^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 client components can be updated
independently from BIG-IP software. For more information, refer to K52547540:
Updating the BIG-IP Edge Client for the BIG-IP APM system.
^3To update APM client components in vulnerable versions of BIG-IP Edge Client,
upgrade to a version of BIG-IP APM software listed in the Fixes introduced in
column.
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.
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 K13757: BIG-IP Edge Client version 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
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