A buffer overflow in the
Snort BackOrifice preprocessor has been identified by Neel Mehta of ISS X-Force. Successful exploitation of the vuln can lead to arbitrary command execution with privileges of the Snort user. Users are advised to upgrade to version 2.4.3 or to disable the BO preprocessor. See the following advisories for more info:
http://www.us-cert.gov/cas/techalerts/TA05-291A.html
http://www.securityfocus.com/bid/15131