The bus_connections_check_reply function in config-parser.c in D-Bus before 1.6.24 and 1.8.x before 1.8.8 allows local users to cause a denial of service (CPU consumption) via a large number of method calls. (CVE-2014-3638)
A locally authenticated user may be able to use the flaw in D-Bus to cause excessive resource consumption. There is no remote access vector for this issue on data or control plane.
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 K4602: Overview of the F5 security vulnerability response policy.
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 K13309: Restricting access to the Configuration utility by source IP address (11.x) and K13092: Overview of securing access to the BIG-IP system.