Vulnerability Details

Nmap NSE net: http-iis-webdav-vuln

Published: 2011-06-01 14:32:46
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:H/Au:N/C:C/I:C/A:C

Detection Type:
remote_analysis

Summary:
Checks for a vulnerability in IIS 5.1/6.0 that allows arbitrary users to access secured WebDAV folders by searching for a password-protected folder and attempting to access it. This vulnerability was patched in Microsoft Security Bulletin MS09-020. A list of well known folders (almost 900) is used by default. Each one is checked, and if returns an authentication request (401), another attempt is tried with the malicious encoding. If that attempt returns a successful result (207), then the folder is marked as vulnerable. This script is based on the Metasploit modules/auxiliary/scanner/http/wmap_dir_webdav_unicode_bypass.rb auxiliary module. For more information on this vulnerability and script see the references. SYNTAX: http.pipeline: If set, it represents the number of HTTP requests that'll be pipelined (ie, sent in a single request). This can be set low to make debugging easier, or it can be set high to test how a server reacts (its chosen max is ignored). basefolder: The folder to start in, eg. ''/web'' will try ''/web/xxx''. folderdb: The filename of an alternate list of folders. http-max-cache-size: The maximum memory size (in bytes) of the cache. webdavfolder: Selects a single folder to use, instead of using a built-in list.

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2009-1122
https://nvd.nist.gov/vuln/detail/CVE-2009-1535

SecurityFocus Bugtraq ID:

https://www.securityfocus.com/bid/35232

References:

http://blog.zoller.lu/2009/05/iis-6-webdac-auth-bypass-and-data.html
http://seclists.org/fulldisclosure/2009/May/att-134/IIS_Advisory_pdf.bin
http://www.skullsecurity.org/blog/?p=271
http://www.kb.cert.org/vuls/id/787932
https://docs.microsoft.com/en-us/security-updates/securityadvisories/2009/971492
http://nmap.org/r/ms09-020

Severity
High
CVSS Score
7.6
Published
2011-06-01
Modified
2019-04-08
Category
Nmap NSE net

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