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Kerio WinRoute Firewall May Crash Due to Malformed HTTP Headers

by Donna Buenaventura / March 24, 2004 12:31 PM PST

SecurityTracker Alert ID: 1009548
Date: Mar 24 2004

Impact: Denial of service via network

Fix Available: Yes Vendor Confirmed: Yes

Version(s): prior to 5.1.10

Description: A vulnerability was reported in the Kerio WinRoute Firewall. The firewall may crash.

The vendor reported that there is a flaw in the parsing of HTTP headers that may cause the firewall to crash.

Impact: The firewall may crash when parsing a specially crafted HTTP header.

Solution: The vendor has released a fixed version (5.1.10), available at:


Vendor URL: www.kerio.com/kwf_home.html

Cause: Exception handling error

Underlying OS: Windows (Any)


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