Vulnerability CVE-2007-3443
Published: 2007-06-26   Modified: 2012-02-12

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.

CVSS2 => (AV:A/AC:M/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.3/10
2.9/10
4.4/10
Exploit range
Attack complexity
Authentication
Adjacent network
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Research in motion limited -> Blackberry 7270 

 References:
http://www.sipera.com/index.php?action=resources,threat_advisory&tid=213&
;
http://www.blackberry.com/btsc/articles/220/KB12705_f.SAL_Public.html
http://osvdb.org/37647
http://secunia.com/advisories/25824
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