Microsoft Windows Server 2003 win32k.sys DoS Vulnerability

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.800577");
  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:"2009-06-04 10:49:28 +0200 (Thu, 04 Jun 2009)");
  script_tag(name:"cvss_base", value:"4.7");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:N/I:N/A:C");
  script_cve_id("CVE-2008-6819");
  script_name("Microsoft Windows Server 2003 win32k.sys DoS Vulnerability");
  script_xref(name:"URL", value:"http://downloads.securityfocus.com/vulnerabilities/exploits/35121.c");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/35121");

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

  script_tag(name:"impact", value:"Successful exploitation will allow attakers to cause denial of
  service by crashing the operating system.");

  script_tag(name:"affected", value:"Microsoft Windows 2003 Service Pack 2 and prior.");

  script_tag(name:"insight", value:"The vulnerability lies in win32k.sys file and can be exploited
  via vectors related to CreateWindow, TranslateMessage and DispatchMessage
  functions to cause a race condition between threads.");

  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:"Windows Server 2003 operating system is prone to a denial of service (DoS) vulnerability.");

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

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

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){
  exit(0);
}

SP = get_kb_item("SMB/Win2003/ServicePack");
if("Service Pack 1" >< SP)
{
  if(version_is_less_equal(version:sysVer, test_version:"5.2.3790.3291")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
 }
}

else if("Service Pack 2" >< SP)
{
  if(version_is_less_equal(version:sysVer, test_version:"5.2.3790.4456")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
}