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Category:   Device (Firewall)  >   Symantec Gateway Security Vendors:   Symantec
Symantec Gateway Security IPSec IKE Processing Lets Remote Users Deny Service
SecurityTracker Alert ID:  1015248
SecurityTracker URL:  http://securitytracker.com/id/1015248
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Updated:  Nov 22 2005
Original Entry Date:  Nov 22 2005
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 300, 400, 5000, 5100, 5200, 5300, 5310, 5400
Description:   A vulnerability was reported in Symantec Gateway Security. A remote user can cause denial of service conditions.

The device does not properly validate Internet Key Exchange (IKE) packets. A remote user can send specially crafted ISAKMP packets to trigger a buffer overflow and cause the ISAKMP daemon to crash. This will cause the dynamic VPN services to become unavailable.

A test suite developed by the University of Oulu Secure Programming Group (OUSPG) was used to discover these vulnerabilities.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued patches, available at:

http://www.symantec.com/techsupp/enterprise/select_product_updates.html

The patches are:

5000 Series,3 .0, SGS3.0-2005114-02
5400, 2.0.1, SGS2.0.1-20051114-00
5310, 1.0, SG7004-20051114-00
5200/5300, 1.0, SG7004-20051114-00
5100, SG7004-20051114-00
400, 2.0, Build 1103
300, 2.0, Build 1103

The vendor's advisory is available at:

http://securityresponse.symantec.com/avcenter/security/Content/2005.11.21.html

Vendor URL:  securityresponse.symantec.com/avcenter/security/Content/2005.11.21.html (Links to External Site)
Cause:   Boundary error, Exception handling error

Message History:   None.


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