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>> Cisco Products Internet Key Exchange Packets Handling Vulnerabilities

Title : Cisco Products Internet Key Exchange Packets Handling Vulnerabilities
VUPEN ID : VUPEN/ADV-2005-2406
CVE ID : CVE-2005-3669
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2005-11-14


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

Multiple vulnerabilities were identified in various Cisco products, which could be exploited by remote attackers to cause a denial of service. These flaws are due to errors in ISAKMP when handling malformed IKE (Internet Key Exchange) Phase 1 packets, which could be exploited by remote attackers to cause a denial of service that may result in the restart of the device. For additional information, see : VUPEN/ADV-2005-2405

Affected Products

Cisco IOS versions 12.2SXD
Cisco IOS versions 12.3T
Cisco IOS versions 12.4
Cisco IOS versions 12.4T
Cisco PIX Firewall versions prior to 6.3(5)
Cisco PIX Firewall/ASA versions prior to 7.0.1.4
Cisco Firewall Services Module (FWSM) versions prior to 2.3(3)
Cisco VPN 3000 Series Concentrators versions prior to 4.1(7)H
Cisco VPN 3000 Series Concentrators versions prior to 4.7(2)B
Cisco MDS Series SanOS versions prior to 2.1(2)

Solution

Upgrade to fixed versions :
http://www.cisco.com/warp/public/707/cisco-sa-20051114-ipsec.shtml#software

References

http://www.vupen.com/english/advisories/2005/2406
http://www.cisco.com/warp/public/707/cisco-sa-20051114-ipsec.shtml

Credits

Vulnerabilities reported by University of Oulu Secure Programming Group (OUSPG)

ChangeLog

2005-11-14 : Initial release

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