Microsoft Outlook Express Malformed MIME Message Denial Of Service Vulnerability

  Severity: MEDIUM
  CVE Identifier: CVE-2008-5424
  Advisory Date: FEB 25, 2011

  DESCRIPTION

The MimeOleClearDirtyTree function in InetComm.dll in Microsoft Outlook Express 6.00.2900.5512 does not properly handle (1) multipart/mixed e-mail messages with many MIME parts and possibly (2) e-mail messages with many "Content-type: message/rfc822;" headers, which allows remote attackers to cause a denial of service (infinite loop) via a large e-mail message, a related issue to CVE-2006-1173.

  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: 1003148
  Trend Micro Deep Security DPI Rule Name: 1003148 - Microsoft Outlook Express Malformed MIME Message Denial Of Service

  AFFECTED SOFTWARE AND VERSION

  • Microsoft Outlook Express 6.00.2900.5512