Test ID:	1.3.6.1.4.1.25623.1.0.10671
Category:	Web Servers
Title:	IIS Remote Command Execution
Summary:	When IIS receives a user request to run a script, it renders;the request in a decoded canonical form, then performs;security checks on the decoded request. A vulnerability;results because a second, superfluous decoding pass is;performed after the initial security checks are completed.;Thus, a specially crafted request could allow an attacker to;execute arbitrary commands on the IIS Server.
Description:	Summary: When IIS receives a user request to run a script, it renders the request in a decoded canonical form, then performs security checks on the decoded request. A vulnerability results because a second, superfluous decoding pass is performed after the initial security checks are completed. Thus, a specially crafted request could allow an attacker to execute arbitrary commands on the IIS Server. Solution: See MS advisory MS01-026(Superseded by ms01-044) See http://www.microsoft.com/technet/security/bulletin/ms01-044.mspx CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	BugTraq ID: 2708 BugTraq ID: 3193 Common Vulnerability Exposure (CVE) ID: CVE-2001-0507 Bugtraq: 20010816 ENTERCEPT SECURITY ALERT: Privilege Escalation Vulnerability in Microsoft IIS (Google Search) http://online.securityfocus.com/archive/1/205069 Microsoft Security Bulletin: MS01-044 http://www.microsoft.com/technet/security/bulletin/ms01-044.asp XForce ISS Database: iis-relative-path-privilege-elevation(6985) http://xforce.iss.net/static/6985.php Computer Incident Advisory Center Bulletin: L-132 http://www.ciac.org/ciac/bulletins/l-132.shtml http://www.osvdb.org/5607 http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:909 http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:912 Common Vulnerability Exposure (CVE) ID: CVE-2001-0333 Bugtraq: 20010515 NSFOCUS SA2001-02 : Microsoft IIS CGI Filename Decode Error Vulnerability (Google Search) http://marc.theaimsgroup.com/?l=bugtraq&m=98992056521300&w=2 http://www.microsoft.com/technet/security/bulletin/MS01-026.asp http://www.cert.org/advisories/CA-2001-12.html XForce ISS Database: iis-url-decoding(6534) http://xforce.iss.net/static/6534.php http://www.securityfocus.com/bid/2708 http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:1018 http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:1051 http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:37 http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:78
Copyright	This script is Copyright (C) 2001 Matt Moore / H D Moore

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