Trend Micro Security

Microsoft IIS 4.0/5.0 Malformed Filename Request Vulnerability

2011年2月15日
  危険度: : 高
  CVE識別番号: CVE-2000-0457

  概要

 ISM.DLL in IIS 4.0 and 5.0 allows remote attackers to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via .HTR" vulnerability.

  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: 1000610
  Trend Micro Deep Security DPI Rule Name: 1000610 - Microsoft IIS 4.0/5.0 Malformed Filename Request Vulnerability

  影響を受けるソフトウェア

  • Microsoft IIS 4.0
  • Microsoft IIS 5.0