Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2019.4303.2
TMOS vulnerability CVE-2019-6664
21 November 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-6664
Original Bulletin:
https://support.f5.com/csp/article/K03126093
Revision History: November 21 2019: Corrected the Mitigation section.
November 15 2019: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
K03126093:TMOS vulnerability CVE-2019-6664
Security Advisory
Original Publication Date: 15 Nov, 2019
Latest Publication Date: 21 Nov, 2019
Security Advisory Description
Under certain conditions, network protections on the management port do not
follow current best practices. (CVE-2019-6664)
Impact
BIG-IP
The default firewall rules for the management interface are not reliably
reinstalled after first boot. As a result, the management interface may be
exposed to unexpected access.
BIG-IQ, Enterprise Manager, F5 iWorkflow, and Traffix SDC
There is no impact; these F5 products are not affected by this vulnerability.
Security Advisory Status
F5 Product Development has assigned ID 793937 (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 |Fixes | |CVSSv3|Vulnerable|
|Product |Branch|known to |introduced|Severity |score^|component |
| | |be |in | |1 |or feature|
| | |vulnerable| | | | |
+-------------------+------+----------+----------+----------+------+----------+
| |15.x |15.0.0 |15.0.1 | | | |
| +------+----------+----------+ | | |
|BIG-IP (LTM, AAM, |14.x |14.1.0 |14.1.2 | | | |
|AFM, Analytics, +------+----------+----------+ | | |
|APM, ASM, DNS, Edge|13.x |None |Not | | | |
|Gateway, FPS, GTM, | | |applicable|Low |3.7 |TMOS |
|Link Controller, +------+----------+----------+ | | |
|PEM, |12.x |None |Not | | | |
|WebAccelerator) | | |applicable| | | |
| +------+----------+----------+ | | |
| |11.x |None |Not | | | |
| | | |applicable| | | |
+-------------------+------+----------+----------+----------+------+----------+
|Enterprise Manager |3.x |None |Not |Not |None |None |
| | | |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
To mitigate this vulnerability, you can trigger a configuration update to force
the system to reinstall the default firewall rules for the management
interface. Alternatively, you can manually run the confpp script on the system
command line to reinstall the default firewall rules. To do so, perform the
following procedure:
Impact of action: Performing the following procedure should not have a negative
impact on your system.
1. Log in to the command line of the affected system.
2. Run the confpp script by entering the following command:
confpp
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 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
- --------------------------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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=0KCw
-----END PGP SIGNATURE-----