Multiple Vendor rdesktop iso_recv_msg() Integer Underflow Vulnerability

  Severity: CRITICAL
  CVE Identifier: CVE-2008-1801
  Advisory Date: FEB 15, 2011

  DESCRIPTION

 Integer underflow in the iso_recv_msg function (iso.c) in rdesktop 1.5.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a Remote Desktop Protocol (RDP) request with a small length field.

  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: 1002491
  Trend Micro Deep Security DPI Rule Name: 1002491 - Multiple Vendor rdesktop iso_recv_msg() Integer Underflow Vulnerability

  AFFECTED SOFTWARE AND VERSION

  • rdesktop rdesktop 1.5.0