Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2018.1637.2
BIG-IP SSL profile vulnerability patched
14 August 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-5524
Original Bulletin:
https://support.f5.com/csp/article/K53931245
Revision History: August 14 2018: Updated security advisory status table.
May 31 2018: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
K53931245:BIG-IP SSL profile vulnerability CVE-2018-5524
Security Advisory
Original Publication Date: 31 May, 2018
Latest Publication Date: 14 Aug, 2018
Security Advisory Description
Under certain conditions, virtual servers configured with Client SSL or Server
SSL profiles that make use of network hardware security module (HSM)
functionality are exposed and impacted by this issue. (CVE-2018-5524)
Impact
Malformed Transport Layer Security (TLS) requests sent to virtual servers
using network HSM functionality may cause a degradation of service.
Note: If the BIG-IP system is configured with both virtual servers using
network HSM functionality and virtual servers that do not use network HSM
functionality, only the virtual servers using network HSM are exposed to this
vulnerability.
Security Advisory Status
F5 Product Development has assigned ID 699346 (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 or hotfixes
that address the vulnerability, refer to the following table.
+------------------+------+----------+----------+----------+------+----------+
| | |Versions |Fixes | |CVSSv3|Vulnerable|
|Product |Branch|known to |introduced|Severity |score^|component |
| | |be |in | |1 |or feature|
| | |vulnerable| | | | |
+------------------+------+----------+----------+----------+------+----------+
| |14.x |None |14.0.0 | | | |
| +------+----------+----------+ | |Virtual |
|BIG-IP (LTM, AAM, |13.x |13.0.0 - |13.1.0.6 | | |servers |
|AFM, Analytics, | |13.1.0 |13.0.1 | | |using |
|APM, ASM, Edge +------+----------+----------+Medium |5.3 |Client SSL|
|Gateway, FPS, Link|12.x |12.1.0 - |12.1.3.2 | | |or Server |
|Controller, PEM, | |12.1.3 | | | |SSL |
|WebAccelerator) +------+----------+----------+ | |profiles |
| |11.x |11.6.1 HF2|11.6.3.2 | | | |
| | |- 11.6.3 | | | | |
+------------------+------+----------+----------+----------+------+----------+
| |13.x |None |Not | | | |
| | | |applicable| | | |
| +------+----------+----------+ | | |
|BIG-IP (DNS, GTM) |12.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
| +------+----------+----------+ | | |
| |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 The 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
None
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 - 13.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
- --------------------------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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=OUP/
-----END PGP SIGNATURE-----