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Home >> Browse Vulnerability Assessment Database >> Windows >> WinGate Compressed Name Pointer Denial of Service Vulnerability


Vulnerability Assessment Details

WinGate Compressed Name Pointer Denial of Service Vulnerability

Vulnerability Assessment Summary
Checks version number in WinGate's banner

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote proxy is affected by a denial of service vulnerability.

Description :

The remote host appears to be running WinGate, a Windows application
for managing and securing Internet access.

The version of WinGate installed on the remote host contains a flaw
involving the processing of DNS requests with compressed name
pointers. By sending a specially-crafted DNS request to a UDP port on
which WinGate is listening, an unauthenticated remote attacker can
cause the affected application to consume 100% of the available CPU,
thereby denying service to legitimate users.

See also :

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=444
http://archives.neohapsis.com/archives/fulldisclosure/2006-11/0398.html
http://forums.qbik.com/viewtopic.php?t=4215

Solution :

Upgrade to WinGate 6.2.0 or later.

Network Security Threat Level:

Low / CVSS Base Score : 2.3
(AV:R/AC:L/Au:NR/C:N/I:N/A:P/B:N)

Networks Security ID: 21295

Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security

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