Vulnerability CVE-2006-3906
Published: 2006-07-27   Modified: 2012-02-12

Description:
Internet Key Exchange (IKE) version 1 protocol, as implemented on Cisco IOS, VPN 3000 Concentrators, and PIX firewalls, allows remote attackers to cause a denial of service (resource exhaustion) via a flood of IKE Phase-1 packets that exceed the session expiration rate. NOTE: it has been argued that this is due to a design weakness of the IKE version 1 protocol, in which case other vendors and implementations would also be affected.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Cisco VPN Concentrator IKE resource exhaustion DoS Advisory
Roy Hills (Roy H...
01.08.2006

Type:

CWE-Other

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
Cisco -> Vpn 3080 concentrator 
Cisco -> Pix asa ids 
Cisco -> Adaptive security appliance 
Cisco -> Pix firewall 
Cisco -> IOS 
Cisco -> Pix firewall 501 
Cisco -> Vpn 3000 concentrator 
Cisco -> Pix firewall 506 
Cisco -> Vpn 3005 concentrator 
Cisco -> Pix firewall 515 
Cisco -> Adaptive security appliance software 
Cisco -> Pix firewall 515e 
Cisco -> Pix firewall software 
Cisco -> Pix firewall 520 
Cisco -> Vpn 3000 concentrator series software 
Cisco -> Pix firewall 525 
Cisco -> Vpn 3005 concentrator software 
Cisco -> Pix firewall 535 
Cisco -> Secure pix firewall 
Cisco -> Vpn 3001 concentrator 
Cisco -> Vpn 3015 concentrator 
Cisco -> Vpn 3020 concentrator 
Cisco -> Vpn 3030 concentator 
Cisco -> Vpn 3060 concentrator 

 References:
http://archives.neohapsis.com/archives/bugtraq/2006-07/0531.html
http://securityreason.com/securityalert/1293
http://securitytracker.com/id?1016582
http://www.cisco.com/en/US/tech/tk583/tk372/tsd_technology_security_response09186a00806f33d4.html
http://www.nta-monitor.com/posts/2006/07/cisco-concentrator-dos.html
http://www.securityfocus.com/archive/1/441203/100/0/threaded
http://www.securityfocus.com/bid/19176
https://exchange.xforce.ibmcloud.com/vulnerabilities/27972
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5299
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