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Microsoft IIS WebDAV Search Denial of Service Vulnerability

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Microsoft IIS WebDAV Search Denial of Service Vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
06/02/2001
Created
07/25/2018
Added
11/01/2004
Modified
12/04/2013

Description

WebDAV is an extension of the HTTP protocol and by default installs on Microsoft IIS 5.0. WebDav enables remote users to manage and collaboratively edit files on remote web servers.

WebDAV contains a flaw in the handling of certain requests, an attacker submitting a valid yet unusually long WebDAV 'search' request, could restart the IIS services and possibly cause the server to stop responding.

Successful exploitation of this vulnerability could leave the server unable to accept any new HTTP sessions.

Solution(s)

  • http-iis-0043

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