Microsoft Web Proxy Auto-Discovery Vulnerability

Publish date: July 21, 2015
  Severity: CRITICAL
  CVE Identifier: CVE-2012-4776,MS12-074
  Advisory Date: JUL 21, 2015

  DESCRIPTION

The Web Proxy Auto-Discovery (WPAD) functionality in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not validate configuration data that is returned during acquisition of proxy settings, which allows remote attackers to execute arbitrary JavaScript code by providing crafted data during execution of (1) an XAML browser application (aka XBAP) or (2) a .NET Framework application, aka "Web Proxy Auto-Discovery Vulnerability."

  TREND MICRO PROTECTION INFORMATION

Apply associated Trend Micro DPI Rules.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1005241
  Trend Micro Deep Security DPI Rule Name: 1005241 - Microsoft .NET Framework Remote Code Execution Vulnerability (CVE-2012-4776)

  AFFECTED SOFTWARE AND VERSION

  • microsoft .net_framework 2.0
  • microsoft .net_framework 3.5
  • microsoft .net_framework 3.5.1
  • microsoft .net_framework 4.0
  • microsoft .net_framework 4.5

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