Snapgear Lite+ Firewall IPSEC Denial of Service Vulnerability

BID:4659

Info

Snapgear Lite+ Firewall IPSEC Denial of Service Vulnerability

Bugtraq ID: 4659
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2002-0603
Remote: Yes
Local: No
Published: May 02 2002 12:00AM
Updated: Jul 11 2009 12:46PM
Credit: Andreas Sandor ([email protected]) & Peter Gründl ([email protected]).
Vulnerable: Snapgear Lite+ Firewall 1.5.3
Not Vulnerable: Snapgear Lite+ Firewall 1.6 .0
Snapgear Lite+ Firewall 1.5.4

Discussion

Snapgear Lite+ Firewall IPSEC Denial of Service Vulnerability

Snapgear Lite+ is a device with integrated firewall, routing, and VPN support.

Sending a 0 length UDP packet through the firewall when IPSEC is enabled will cause the IPSEC implementation to fail. This may result in a denial of VPN/tunnel service.

Solution / Fix

Snapgear Lite+ Firewall IPSEC Denial of Service Vulnerability

Solution:
The vendor has released a firmware upgrade.


Snapgear Lite+ Firewall 1.5.3

References

Snapgear Lite+ Firewall IPSEC Denial of Service Vulnerability

References:

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