MS Office Excel Memory Corruption Vulnerability

  Severity: CRITICAL
  CVE Identifier: CVE-2010-1249
  Advisory Date: FEB 15, 2011

  DESCRIPTION

 Buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 for Mac, Office 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via an Excel file with a malformed ExternName (0x23) record, aka "Excel Memory Corruption Vulnerability," a different vulnerability than CVE-2010-0823 and CVE-2010-1247.

  TREND MICRO PROTECTION INFORMATION

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.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1004224
  Trend Micro Deep Security DPI Rule Name: 1004224 - MS Office Excel Memory Corruption Vulnerability

  AFFECTED SOFTWARE AND VERSION

  • microsoft excel 2002
  • microsoft office 2004
  • microsoft office 2008
  • microsoft open_xml_file_format_converter