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TITLE:
WinGate WWW Proxy Server Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA20483

VERIFY ADVISORY:
http://secunia.com/advisories/20483/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From local network

SOFTWARE:
WinGate 6.x
http://secunia.com/product/3651/

DESCRIPTION:
kcope has discovered a vulnerability in WinGate, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
potentially to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the WWW
Proxy Server. This can be exploited to cause a stack-based buffer
overflow via a specially-crafted HTTP request with an overly long
URL.

The vulnerability has been confirmed in version 6.1.2.1094, and also
reported in version 6.1.1.1077. Other versions may also be affected.

SOLUTION:
Restrict use of the product to within trusted networks.

PROVIDED AND/OR DISCOVERED BY:
kcope

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2006-June/046646.html

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About:
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