The LDBserver service in the server in CA ARCserve Backup 11.1 through 12.0 on Windows allows remote attackers to execute arbitrary code via a handle_t argument to an RPC endpoint in which the argument refers to an incompatible procedure.
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=194293
http://www.vupen.com/english/advisories/2008/3404
http://www.securityfocus.com/bid/32764
http://www.securityfocus.com/archive/1/499128/100/0/threaded
http://www.securityfocus.com/archive/1/499104/100/0/threaded
http://securityreason.com/securityalert/4708
http://secunia.com/secunia_research/2007-82/
http://secunia.com/advisories/27299
http://community.ca.com/blogs/casecurityresponseblog/archive/2008/12/10.aspx