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Test ID:1.3.6.1.4.1.25623.1.0.10119
Category:Denial of Service
Title:NT IIS Malformed HTTP Request Header DoS Vulnerability
Summary:NOSUMMARY
Description:Description:

It was possible to crash the remote web server
by sending a malformed header request, like :

GET / HTTP/1.1
Host: aaaaaaaaaaaa... (200 bytes)
Host: aaaaaaaaaaaa... (200 bytes)
... 10,000 lines ...
Host: aaaaaaaaaaaa... (200 bytes)


This flaw allows an attacker to shut down your
webserver, thus preventing legitimate users from
connecting to your web server.

Solution : See http://www.microsoft.com/technet/security/bulletin/ms99-029.mspx
if you are using IIS. Or else, contact the vendor of
your web server and notify it of this flaw.

Risk factor : High

Bugtraq Id : 579

Cross-Ref: BugTraq ID: 579
Common Vulnerability Exposure (CVE) ID: CVE-1999-0867
http://www.securityfocus.com/bid/579
Computer Incident Advisory Center Bulletin: J-058
http://www.ciac.org/ciac/bulletins/j-058.shtml
Microsoft Security Bulletin: MS99-029
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-029
Microsoft Knowledge Base article: Q238349
http://support.microsoft.com/default.aspx?scid=kb;[LN];Q238349
XForce ISS Database: http-iis-malformed-header
CopyrightThis script is Copyright (C) 1999 Renaud Deraison

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