Buffer overflow in Cisco TelePresence TC Software 4.x and 5.x and TE Software 4.x and 6.0 allows local users to gain privileges by leveraging improper handling of the u-boot compiler flag for internal executable files, aka Bug ID CSCub67693.
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140430-tcte