Microsoft Windows 'UnhookWindowsHookEx' Local 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("1.3.6.1.4.1.25623.1.0.900178");
  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:"2008-12-02 11:52:55 +0100 (Tue, 02 Dec 2008)");
  script_cve_id("CVE-2008-5044");
  script_copyright("Copyright (C) 2008 Greenbone AG");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:N/C:N/I:N/A:C");
  script_category(ACT_GATHER_INFO);
  script_family("Denial of Service");
  script_name("Microsoft Windows 'UnhookWindowsHookEx' Local DoS Vulnerability");
  script_dependencies("smb_reg_service_pack.nasl");
  script_mandatory_keys("SMB/WindowsVersion");

  script_xref(name:"URL", value:"http://killprog.com/whk.zip");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/32206");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/498165");

  script_tag(name:"impact", value:"Attackers may exploit this issue to deny service to legitimate users.");

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

  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:"This Microsoft Windows host is prone to a denial of service (DoS)
  vulnerability.");

  script_tag(name:"insight", value:"The flaw is due to error in 'UnhookWindowsHookEx' function. This can
  be exploited to cause system hang.");

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

  exit(0);
}

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

if(hotfix_check_sp(win2003:3) <= 0){
  exit(0);
}
security_message( port: 0, data: "The target host was found to be vulnerable" );