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Category:   Application (Firewall)  >   Kerio WinRoute Firewall Vendors:   Kerio Technologies
Kerio WinRoute Firewall SMTP and POP3 Protocol Inspector Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1016032
SecurityTracker URL:
CVE Reference:   CVE-2006-2267   (Links to External Site)
Updated:  Dec 4 2009
Original Entry Date:  May 5 2006
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.2.0 patch 1 and prior versions
Description:   A vulnerability was reported in Kerio WinRoute Firewall. A remote user can cause denial of service conditions.

The SMTP and POP3 protocol inspectors contain a vulnerability. A remote user can send specially crafted e-mail that, when received by the target user, will cause the target user's firewall service to crash.

Impact:   A remote user can cause the firewall service to crash.
Solution:   The vendor has issued a fixed version (6.2.1).
Vendor URL: (Links to External Site)
Cause:   Exception handling error
Underlying OS:   Windows (Any)

Message History:   None.

 Source Message Contents

Date:  Fri, 5 May 2006 01:42:47 -0400
Subject:  Kerio WinRoute Firewall

Advisory number: KSEC-2006-05-02-01
Date: May 2, 2006
Severity: Medium (Denial of Service)
Name: SMTP and POP3 protocol inspector DoS
Affected products: Kerio WinRoute Firewall up to version 6.2.0 patch 1.
Fix availability: The following product versions are not vulnerable: Kerio WinRoute Firewall version 6.2.1 and higher.
Description: By sending a malformed email via SMTP or by receiving such email by POP3, an attacker can cause the Kerio WinRoute Firewall service to crash.

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