CVE-2007-3443 Information

Description

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.

Reference

http://osvdb.org/37647 http://secunia.com/advisories/25824 http://www.blackberry.com/btsc/articles/220/KB12705_f.SAL_Public.html http://www.kb.cert.org/vuls/id/324841 http://www.securityfocus.com/bid/24545 http://www.sipera.com/index.php?action=resourcesthreat_advisory&tid=213& https://exchange.xforce.ibmcloud.com/vulnerabilities/35075