Integer overflow in CA (Computer Associates) BrightStor ARCserve Backup for Laptops and Desktops r11.0 through r11.5 allows remote attackers to execute arbitrary code via a long username and a certain "useless" password.
http://www.securitytracker.com/id?1018728
http://www.securityfocus.com/bid/24348
http://www.securityfocus.com/archive/1/480252/100/100/threaded
http://www.ca.com/us/securityadvisor/vulninfo/vuln.aspx?id=35675
http://www.ca.com/us/securityadvisor/newsinfo/collateral.aspx?cid=156006
http://supportconnectw.ca.com/public/sams/lifeguard/infodocs/caarcservebld-securitynotice.asp
http://secunia.com/advisories/25606
http://research.eeye.com/html/advisories/published/AD20070920.html