Microsoft Outlook Express Malformed MIME Message DoS Vulnerability

# SPDX-FileCopyrightText: 2008 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800083");
  script_version("2026-04-28T06:28:06+0000");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2008-12-18 14:07:48 +0100 (Thu, 18 Dec 2008)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_cve_id("CVE-2008-5424");
  script_name("Microsoft Outlook Express Malformed MIME Message DoS Vulnerability");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/499038");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32702");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/499045");
  script_xref(name:"URL", value:"http://mime.recurity.com/cgi-bin/twiki/view/Main/AttackIntro");

  script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"executable_version");
  script_copyright("Copyright (C) 2008 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("smb_reg_service_pack.nasl");
  script_mandatory_keys("SMB/WindowsVersion");
  script_require_ports(139, 445);

  script_tag(name:"impact", value:"Successful exploitation could result in application to crash.");

  script_tag(name:"affected", value:"Microsoft Outlook Express 6.x to 6.00.2900.5512.");

  script_tag(name:"insight", value:"Flaw is due to improper handling of multipart/mixed e-mail messages
  with many MIME parts and e-mail messages with many Content-type: message/rfc822
  headers in MimeOleClearDirtyTree function of InetComm.dll file.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the disclosure
  of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer
  release, disable respective features, remove the product or replace the product by another one.");

  script_tag(name:"summary", value:"Microsoft Outlook Express is prone to a denial of service (DoS) vulnerability.");

  script_tag(name:"solution_type", value:"WillNotFix");

  exit(0);
}

include("smb_nt.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

if(!get_kb_item("SMB/WindowsVersion")){
  exit(0);
}

dllPath = registry_get_sz(key:"SOFTWARE\Microsoft\COM3\Setup", item:"Install Path");
if(!dllPath){
  exit(0);
}

share = ereg_replace(pattern:"([A-Z]):.*", replace:"\1$", string:dllPath);
file =  ereg_replace(pattern:"[A-Z]:(.*)", replace:"\1", string:dllPath + "\inetcomm.dll");

dllVer = GetVer(file:file, share:share);
if(!dllVer){
  exit(0);
}

# Version match from 6.0 to 6.00.2900.5512
if(version_in_range(version:dllVer, test_version:"6.0", test_version2:"6.00.2900.5512")) {
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}