VAR-200706-0514

Vulnerability from variot - Updated: 2025-04-10 23:07

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. BlackBerry 7270 is prone to a remote denial-of-service vulnerability. An attacker can exploit this issue to cause certain features of the phone to become unusable until the phone has been reset. NOTE: The denial-of-service conditions will remain even when the phone re-registers with the Registrar. BlackBerry 7270 with BlackBerry Device Software 4.0.1.83 and prior versions are vulnerable

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