Gravité: : Medium
  Identifiant(s) CVE: : CVE-2010-0231
  Date du conseil: 15 février 2011

  Description

The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not use a sufficient source of entropy, which allows remote attackers to obtain access to files and other SMB resources via a large number of authentication requests, related to server-generated challenges, certain "duplicate values," and spoofing of an authentication token, aka "SMB NTLM Authentication Lack of Entropy Vulnerability."

  Information Exposure Rating:

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.

  Solutions

  Trend Micro Deep Security DPI Rule Number: 1003984
  Trend Micro Deep Security DPI Rule Name: 1003984 - SMB NTLM Authentication Lack Of Entropy Vulnerability

  Affected software and version:

  • microsoft windows_2000
  • microsoft windows_2003_server
  • microsoft windows_2003_server -
  • microsoft windows_7 -
  • microsoft windows_server_2008
  • microsoft windows_server_2008 -
  • microsoft windows_vista
  • microsoft windows_xp
  • microsoft windows_xp -