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Home >> Browse Vulnerability Assessment Database >> Gain root remotely >> IIS .HTR overflow


Vulnerability Assessment Details

IIS .HTR overflow

Vulnerability Assessment Summary
Tests for IIS .htr ISAPI filter

Detailed Explanation for this Vulnerability Assessment

The remote server is vulnerable to a buffer overflow in the .HTR
filter.

A possible hacker may use this flaw to execute arbitrary code on
this host (although the exploitation of this flaw is considered
as being difficult).

Solution:
To unmap the .HTR extension:
1.Open Internet Services Manager.
2.Right-click the Web server choose Properties from the context menu.
3.Master Properties
4.Select WWW Service -> Edit -> HomeDirectory -> Configuration
and remove the reference to .htr from the list.

See MS bulletin MS02-028 for a patch

Network Security Threat Level: High

Networks Security ID: 4855, 5003

Vulnerability Assessment Copyright: This script is Copyright (C) 2002 Renaud Deraison

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