Trend Micro Security

Microsoft Windows NAT Helper DNS Query DoS

2011年2月15日
  危険度: : 低
  CVE識別番号: CVE-2006-5614

  概要

�Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet Connection Sharing is enabled, allows remote attackers to cause a denial of service (svchost.exe crash) via a malformed DNS query, which results in a null pointer dereference.

  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: 1000836
  Trend Micro Deep Security DPI Rule Name: 1000836 - Microsoft Windows NAT Helper DNS Query DoS

  影響を受けるソフトウェア

  • Microsoft Windows NAT Helper Components
  • Microsoft Windows XP SP2