Note: As of February 17, 2015, AskF5 Security Advisory articles include the Severity value. Security Advisory articles published before this date do not list a Severity value.
Recommended Action
If the previous table lists a version in the Versions known to be not vulnerable column, you can eliminate this vulnerability by upgrading to the listed version. If the listed version is older than the version you are currently running, or if the table does not list any version in the column, then no upgrade candidate currently exists.
F5 responds to vulnerabilities in accordance with the Severity values published in the previous table. The Severity values and other security vulnerability parameters are defined in SOL4602: Overview of the F5 security vulnerability response policy.
BIG-IP, BIG-IQ, and Enterprise Manager
To mitigate this vulnerability, you should only permit management access to F5 products over a secure network, and restrict command line access for affected systems to the trusted users. For more information, refer to the following articles:
FirePass
To protect against undesired UDP traffic, you should use a front-end firewall.
Traffix SDC
To mitigate this vulnerability, you should perform the following actions:
When possible, remove the iptables entries that allow traffic for the following UDP services:
**Syslog **
-A INPUT -i eth0 -p udp -m udp --dport 514 -m comment --comment βSYSLOGβ -j ACCEPT
**SIP **
-A INPUT -p udp -m udp --dport 5060 -m comment --comment βSIP protocolβ -j ACCEPT
**Diameter **
-A INPUT -d 192.168.1.71/32 -i eth0 -p udp -m udp --dport 3868 -j ACCEPT
Add source validation on iptables entries when allowing traffic on the following UDP service:
Apply anti-spoofing rules in the upstream firewalls.
Supplemental Information