Trend Micro Security

Radius OTP Bypass Vulnerability

2011年2月15日
  危険度: : 緊急
  CVE識別番号: CVE-2009-1135

  概要

 Microsoft Internet Security and Acceleration (ISA) Server 2006 Gold and SP1, when Radius OTP is enabled, uses the HTTP-Basic authentication method, which allows remote attackers to gain the privileges of an arbitrary account, and access published web pages, via vectors involving attempted access to a network resource behind the ISA Server, aka "Radius OTP Bypass 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: 1003621
  Trend Micro Deep Security DPI Rule Name: 1003621 - RADIUS OTP Bypass Vulnerability

  影響を受けるソフトウェア

  • microsoft isa_server 2006