危険度: 高
  CVE識別番号: CVE-2009-3676,MS10-020
  情報公開日: 7 02, 2011

  概要

The SMB client in the kernel in Microsoft Windows Server 2008 R2 and Windows 7 allows remote SMB servers and man-in-the-middle attackers to cause a denial of service (infinite loop and system hang) via a (1) SMBv1 or (2) SMBv2 response packet that contains (a) an incorrect length value in a NetBIOS header or (b) an additional length field at the end of this response packet, aka "SMB Client Incomplete Response 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: 1003832
  Trend Micro Deep Security DPI Rule Name: 1003832 - Microsoft Windows 'KeAccumulateTicks()' SMB2 Packet Remote Denial Of Service Vulnerability

  影響を受けるソフトウェア

  • microsoft windows_7
  • microsoft windows_server_2008 -