Microsoft Windows Server 2003 OpenType Font Engine DoS Vulnerability

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_ms_win2k3_dos_vuln_sep09.nasl 5363 2017-02-20 13:07:22Z cfi $
#
# Microsoft Windows Server 2003 OpenType Font Engine DoS Vulnerability
#
# Authors:
# Antu Sanadi<[email protected]>
#
# Copyright:
# Copyright (c) 2009 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

tag_impact = "Successful exploitation will allow attakers to cause denial of
service via a specially-crafted file containing EOT font embedded in the
document thus crashing the operating system.

Impact Level: System";

tag_affected = "Microsoft Windows 2003 Service Pack 2 and prior.";

tag_insight = "The vulnerability is due to an error in 'win32k.sys' when
processing Embedded OpenType font.";

tag_solution = "Vendor has released patch to fix the issue, refer below link
for patch details.
http://www.microsoft.com/en-us/download/details.aspx?id=1185";

tag_summary = "This host is running Windows Server 2003 operating system and
is prone to Denial of Service vulnerability.";

if(description)
{
  script_id(800687);
  script_version("$Revision: 5363 $");
  script_tag(name:"last_modification", value:"$Date: 2017-02-20 14:07:22 +0100 (Mon, 20 Feb 2017) $");
  script_tag(name:"creation_date", value:"2009-09-02 09:58:59 +0200 (Wed, 02 Sep 2009)");
  script_tag(name:"cvss_base", value:"7.1");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:C");
  script_cve_id("CVE-2009-3020");
  script_bugtraq_id(36029);
  script_name("Microsoft Windows Server 2003 OpenType Font Engine DoS Vulnerability");
  script_xref(name : "URL" , value : "http://secunia.com/advisories/36250");
  script_xref(name : "URL" , value : "http://www.milw0rm.com/exploits/9417");
  script_xref(name : "URL" , value : "http://xforce.iss.net/xforce/xfdb/52403");
  script_xref(name : "URL" , value : "http://www.microsoft.com/en-us/download/details.aspx?id=1185");

  script_tag(name:"qod_type", value:"executable_version");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  script_family("Windows");
  script_dependencies("secpod_reg_enum.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");

  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  exit(0);
}


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

if(hotfix_check_sp(win2003:3) <= 0){
  exit(0);
}

SP = get_kb_item("SMB/Win2003/ServicePack");
if("Service Pack 1" >< SP || "Service Pack 2" >< SP)
{
  sysPath = registry_get_sz(key:"SOFTWARE\Microsoft\COM3\Setup",
                         item:"Install Path");
  if(sysPath != NULL)
  {
    share = ereg_replace(pattern:"([A-Z]):.*", replace:"\1$", string:sysPath);
    file =  ereg_replace(pattern:"[A-Z]:(.*)", replace:"\1",
                         string:sysPath + "\Win32k.sys");
    sysVer = GetVer(file:file, share:share);
    if(sysVer)
    {
      # Grep for Win32k.sys version <= 5.2.3790.4497
      if(version_is_less_equal(version:sysVer, test_version:"5.2.3790.4497")){
        security_message(0);
      }
    }
  }
}