Trend Micro Security

Microsoft IIS Hex Encoded WebDAV Requests Authentication Bypass Vulnerability

2011年2月15日
  危険度: : 高
  CVE識別番号: CVE-2009-1122,MS09-020

  概要

 The WebDAV extension in Microsoft Internet Information Services (IIS) 5.0 on Windows 2000 SP4 does not properly decode URLs, which allows remote attackers to bypass authentication, and possibly read or create files, via a crafted HTTP request, aka "IIS 5.0 WebDAV Authentication Bypass Vulnerability," a different vulnerability than CVE-2009-1535.

  トレンドマイクロの対策

Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.

  対応方法

  Trend Micro Deep Security DPI Rule Number: 1003557
  Trend Micro Deep Security DPI Rule Name: 1003557 - Microsoft IIS Hex Encoded WebDAV Requests Authentication Bypass Vulnerability

  影響を受けるソフトウェア

  • microsoft iis 5.0