EMC Legato NetWorker, Sun Solstice Backup 6.0 and 6.1, and StorEdge Enterprise Backup 7.0 through 7.2 rely on AUTH_UNIX authentication, which relies on user ID for authentication and allows remote attackers to bypass authentication and gain privileges by spoofing a username or UID.
secunia.com/advisories/16464
secunia.com/advisories/16470
securitytracker.com/id?1014713
sunsolve.sun.com/search/document.do?assetkey=1-26-101886-1
www.kb.cert.org/vuls/id/606857
www.legato.com/support/websupport/product_alerts/081605_NW_authentication.htm
www.osvdb.org/18800
www.securityfocus.com/bid/14582
exchange.xforce.ibmcloud.com/vulnerabilities/21887