Microsoft .NET Framework ASP.NET Padding Oracle Information Disclosure Vulnerability

  Severity: MEDIUM
  CVE Identifier: CVE-2010-3332

  DESCRIPTION

Microsoft .NET Framework 1.1 SP1, 2.0 SP1 and SP2, 3.5, 3.5 SP1, 3.5.1, and 4.0, as used for ASP.NET in Microsoft Internet Information Services (IIS), provides detailed error codes during decryption attempts, which allows remote attackers to decrypt and modify encrypted View State (aka __VIEWSTATE) form data, and possibly forge cookies or read application files, via a padding oracle attack, aka "ASP.NET Padding Oracle Vulnerability."

  TREND MICRO PROTECTION INFORMATION

Apply associated Trend Micro DPI Rules.

  SOLUTION

  PATCH: http://www.microsoft.com/technet/security/Bulletin/MS10-070.mspx

  Trend Micro Deep Security DPI Rule Number: 1004409
  Trend Micro Deep Security DPI Rule Name: 1004409 - Microsoft .NET Framework ASP.NET 'Padding Oracle' Information Disclosure Vulnerability

  AFFECTED SOFTWARE AND VERSION

  • Microsoft .NET Framework 1.0
  • Microsoft .NET Framework 1.1
  • Microsoft .NET Framework 2.0
  • Microsoft .NET Framework 3.5
  • Microsoft .NET Framework 3.5.1
  • Microsoft .NET Framework 4.0