Vulnerability CVE-2005-1802
Published: 2005-05-27   Modified: 2012-02-12

Description:
Nortel VPN Router (aka Contivity) allows remote attackers to cause a denial of service (crash) via an IPsec IKE packet with a malformed ISAKMP header.

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Nortel -> Contivity 
Nortel -> Vpn router 1010 
Nortel -> Vpn router 1050 
Nortel -> Vpn router 1100 
Nortel -> Vpn router 1700 
Nortel -> Vpn router 1740 
Nortel -> Vpn router 2700 
Nortel -> Vpn router 5000 
Nortel -> Vpn router 600 

 References:
http://www.securityfocus.com/bid/13792
http://www.securityfocus.com/archive/1/399423
http://www.nta-monitor.com/news/vpn-flaws/nortel/vpn-router-dos/
http://securitytracker.com/id?1014068
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