Executive Summary

Summary
Title Vulnerability in Internet Information Services Could Allow Elevation of Privilege
Informations
Name KB971492 First vendor Publication 2009-05-18
Vendor Microsoft Last vendor Modification 2009-06-09
Severity (Vendor) N/A Revision 2.0

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:H/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.6 Attack Range Network
Cvss Impact Score 10 Attack Complexity High
Cvss Expoit Score 4.9 Authentication None Required
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Detail

Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS09-020 to address this issue. For more information about this issue, including download links for an available security update, please review MS09-020. The vulnerability addressed is the IIS 5.1 and 6.0 WebDAV Authentication Bypass Vulnerability - CVE-2009-1535.

Original Source

Url : http://www.microsoft.com/technet/security/advisory/971492.mspx

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-287 Improper Authentication

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:6029
 
Oval ID: oval:org.mitre.oval:def:6029
Title: IIS 5.1 and 6.0 WebDAV Authentication Bypass Vulnerability
Description: The WebDAV extension in Microsoft Internet Information Services (IIS) 5.1 and 6.0 allows remote attackers to bypass URI-based protection mechanisms, and list folders or read, create, or modify files, via a %c0%af (Unicode / character) at an arbitrary position in the URI, as demonstrated by inserting %c0%af into a "/protected/" initial pathname component to bypass the password protection on the protected\ folder, aka "IIS 5.1 and 6.0 WebDAV Authentication Bypass Vulnerability," a different vulnerability than CVE-2009-1122.
Family: windows Class: vulnerability
Reference(s): CVE-2009-1535
Version: 1
Platform(s): Microsoft Windows XP
Microsoft Windows Server 2003
Product(s): Microsoft Internet Information Server 5.1
Microsoft Internet Information Server 6.0
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2

OpenVAS Exploits

Date Description
2009-06-10 Name : Microsoft IIS Security Bypass Vulnerability (970483)
File : nvt/secpod_ms09-020.nasl
2009-05-20 Name : Microsoft IIS WebDAV Remote Authentication Bypass Vulnerability
File : nvt/secpod_ms_iis_webdav_auth_bypass_vuln.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
54555 Microsoft IIS WebDAV Unicode URI Request Authentication Bypass

Snort® IPS/IDS

Date Description
2019-01-15 (http_inspect)unicodemapcodepointencodinginURI
RuleID : 7 - Revision : 2 - Type :
2014-01-10 WebDAV Request Directory Security Bypass attempt
RuleID : 17564 - Revision : 7 - Type : SERVER-IIS

Nessus® Vulnerability Scanner

Date Description
2009-06-10 Name : It is possible to bypass authentication on the remote web server.
File : smb_nt_ms09-020.nasl - Type : ACT_GATHER_INFO
2009-05-18 Name : It is possible to access protected resources through WebDAV.
File : webdav_iis6_flaw.nasl - Type : ACT_ATTACK

Alert History

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0
Date Informations
2014-02-17 11:38:47
  • Multiple Updates