Design/Logic Flaw

The Research in Motion BlackBerry 7270 before 4.0 SP1 Bundle 108 does not properly manage transaction states, which allows remote attackers to cause a denial of service temporary device hang by sending a certain SIP INVITE message, but not providing an ACK when the call is answered...

CVE-2007-3443: Undefined Security Weakness

The Research in Motion BlackBerry 7270 before 4.0 SP1 Bundle 108 does not properly manage transaction states, which allows remote attackers to cause a denial of service temporary device hang by sending a certain SIP INVITE message, but not providing an ACK when the call is answered...