Microsoft Windows LSASS Denial of Service Vulnerability (975467)

# SPDX-FileCopyrightText: 2010 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("1.3.6.1.4.1.25623.1.0.902227");
  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:"2010-08-11 15:08:29 +0200 (Wed, 11 Aug 2010)");
  script_cve_id("CVE-2010-2561");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_name("Microsoft Windows LSASS Denial of Service Vulnerability (975467)");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_reg_enum.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/registry_enumerated");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to execute arbitrary
  code by tricking a user into visiting a specially crafted web page.");
  script_tag(name:"affected", value:"- Microsoft Windows 7

  - Microsoft Windows XP  Service Pack 3 and prior

  - Microsoft Windows 2K3 Service Pack 2 and prior

  - Microsoft Windows Vista Service Pack 2 and prior

  - Microsoft Windows Server 2008 Service Pack 2 and prior");
  script_tag(name:"insight", value:"The issue is caused by a memory corruption error in the Microsoft 'XML'
  Core Services (MSXML) when handling HTTP responses via the Msxml2.XMLHTTP.3.0
  ActiveX control.");
  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
  script_tag(name:"summary", value:"This host is missing a critical security update according to
  Microsoft Bulletin MS10-051.");
  script_tag(name:"qod_type", value:"executable_version");
  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2079403");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/42300");
  script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2010/2048");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-051");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-051");
  exit(0);
}

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

if(hotfix_check_sp(xp:4, win2003:3, win7:1, win2008:3, winVista:3) <= 0){
  exit(0);
}

# MS10-051 Hotfix check
if(hotfix_missing(name:"2079403") == 0){
  exit(0);
}

sysPath = smb_get_system32root();
if(sysPath)
{
  dllVer = fetch_file_version(sysPath:sysPath, file_name:"Msxml3.dll");
  if(!dllVer){
    exit(0);
  }
}

if(hotfix_check_sp(xp:4) > 0)
{
  SP = get_kb_item("SMB/WinXP/ServicePack");
  if("Service Pack 3" >< SP)
  {
    if(version_is_less(version:dllVer, test_version:"8.100.1052.0")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"8.100.1052.0", install_path:sysPath);
      security_message(port: 0, data: report);
    }
    exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

else if(hotfix_check_sp(win2003:3) > 0)
{
  SP = get_kb_item("SMB/Win2003/ServicePack");
  if("Service Pack 2" >< SP)
  {
    if(version_is_less(version:dllVer, test_version:"8.100.1051.0")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"8.100.1051.0", install_path:sysPath);
      security_message(port: 0, data: report);
    }
    exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

sysPath = smb_get_system32root();
if(!sysPath){
  exit(0);
}

dllVer = fetch_file_version(sysPath:sysPath, file_name:"Msxml3.dll");
if(!dllVer){
  exit(0);
}

if(hotfix_check_sp(winVista:3) > 0)
{
  SP = get_kb_item("SMB/WinVista/ServicePack");
  if("Service Pack 1" >< SP)
  {
    if(version_is_less(version:dllVer, test_version:"8.100.4002.0")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"8.100.4002.0", install_path:sysPath);
      security_message(port: 0, data: report);
    }
     exit(0);
  }

  if("Service Pack 2" >< SP)
  {
      if(version_is_less(version:dllVer, test_version:"8.100.5003.0")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"8.100.5003.0", install_path:sysPath);
      security_message(port: 0, data: report);
    }
     exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

else if(hotfix_check_sp(win2008:3) > 0)
{
  SP = get_kb_item("SMB/Win2008/ServicePack");
  if("Service Pack 1" >< SP)
  {
    if(version_is_less(version:dllVer, test_version:"8.100.4002.0")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"8.100.4002.0", install_path:sysPath);
      security_message(port: 0, data: report);
    }
     exit(0);
  }

  if("Service Pack 2" >< SP)
  {
      if(version_is_less(version:dllVer, test_version:"8.100.5003.0")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"8.100.5003.0", install_path:sysPath);
      security_message(port: 0, data: report);
    }
     exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

else if(hotfix_check_sp(win7:1) > 0)
{
  if(version_is_less(version:dllVer, test_version:"8.110.7600.16605")){
     report = report_fixed_ver(installed_version:dllVer, fixed_version:"8.110.7600.16605", install_path:sysPath);
     security_message(port: 0, data: report);
  }
}