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AUSCERT External Security Bulletin Redistribution
ESB-2019.3599
BIG-IQ services for stats vulnerability CVE-2019-6652
25 September 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IQ products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-6652
Original Bulletin:
https://support.f5.com/csp/article/K23101430
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K23101430:BIG-IQ services for stats vulnerability CVE-2019-6652
Security Advisory
Original Publication Date: 25 Sep, 2019
Security Advisory Description
BIG-IQ services for stats do not require authentication nor do they implement
any form of Transport Layer Security (TLS). (CVE-2019-6652)
Impact
BIG-IQ
An attacker may have full access to the stats database on the BIG-IQ system
when this vulnerability is exploited.
BIG-IP, 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 746627 (BIG-IQ) 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 | |1 |or feature |
| | |vulnerable| | | | |
+------------------+------+----------+----------+----------+------+-----------+
| |14.x |None |Not | | | |
| | | |applicable| | | |
|BIG-IP (LTM, AAM, +------+----------+----------+ | | |
|AFM, Analytics, |13.x |None |Not | | | |
|APM, ASM, DNS, | | |applicable|Not | | |
|Edge Gateway, FPS,+------+----------+----------+vulnerable|None |None |
|GTM, Link |12.x |None |Not | | | |
|Controller, PEM, | | |applicable| | | |
|WebAccelerator) +------+----------+----------+ | | |
| |11.x |None |Not | | | |
| | | |applicable| | | |
+------------------+------+----------+----------+----------+------+-----------+
|Enterprise Manager|3.x |None |Not |Not |None |None |
| | | |applicable|vulnerable| | |
+------------------+------+----------+----------+----------+------+-----------+
| |6.x |6.0.0 - |7.0.0 | | |BIG-IQ |
|BIG-IQ Centralized| |6.1.0 | | | |services |
|Management +------+----------+----------+Medium |6.5 |for stats |
| |5.x |None |Not | | |(rethinkdb)|
| | | |applicable| | | |
+------------------+------+----------+----------+----------+------+-----------+
|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.
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 implement firewall rules to limit
access to ports 28015 and 29015 only from devices that are in the BIG-IQ
cluster (for example, an HA pair or Data Collection Device systems). To do so,
you can use the iptables utility on the BIG-IQ system or an external firewall.
Using the iptables utility on the BIG-IQ system to limit access to ports 28015
and 29015
Impact of action: Incorrect use of the iptables utility can result in service
interruption on the BIG-IQ system.
1. Log in to the command line of the affected BIG-IQ system.
2. Add the list of BIG-IQ cluster devices (HA pair or Data Collection Device
systems) for access to ports 28015 and 29015 by entering the following
command syntaxes:
iptables -A INPUT -p tcp -s <IP addresses of BIG-IQ cluster devices
separated by commas> --dport 28015 -j ACCEPT
iptables -A INPUT -p tcp -s <IP addresses of BIG-IQ cluster devices
separated by commas> --dport 29015 -j ACCEPT
For example, you would enter the following commands to allow BIGIQDCD1 (
192.168.137.192) and BIGIQDCD2 (192.168.137.201) access to ports 28015 and
29015:
iptables -A INPUT -p tcp -s 192.168.137.192,192.168.137.201 --dport 28015
-j ACCEPT
iptables -A INPUT -p tcp -s 192.168.137.192,192.168.137.201 --dport 29015
-j ACCEPT
3. Deny access for all other IP addresses to ports 28015 and 29015 by entering
the following commands:
iptables -A INPUT -p tcp --dport 28015 -j DROP
iptables -A INPUT -p tcp --dport 29015 -j DROP
4. Save the changes by entering the following command:
/sbin/service iptables save
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