Vulnerability in SChannel Could Allow Spoofing (960225)

# Copyright (C) 2009 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900087");
  script_version("2022-05-25T07:40:23+0000");
  script_tag(name:"last_modification", value:"2022-05-25 07:40:23 +0000 (Wed, 25 May 2022)");
  script_tag(name:"creation_date", value:"2009-03-11 16:41:30 +0100 (Wed, 11 Mar 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:C/A:N");
  script_cve_id("CVE-2009-0085");
  script_name("Vulnerability in SChannel Could Allow Spoofing (960225)");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-007");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/34015");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
  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:"Attacker who successfully exploited would be able to authenticate to a
  server using only an authorized user's digital certificate and without
  the associated private key.");
  script_tag(name:"affected", value:"- Microsoft Windows 2K Service Pack 4 and prior

  - Microsoft Windows XP Service Pack 3 and prior

  - Microsoft Windows 2003 Service Pack 2 and prior

  - Microsoft Windows Vista Service Pack 1 and prior

  - Microsoft Windows Server 2008 Service Pack 1 and prior");
  script_tag(name:"insight", value:"Spoofing flaw exists in the Microsoft Windows SChannel (Secure Channel)
  authentication component when using certificate based authentication.");
  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 MS09-007.");
  script_tag(name:"qod_type", value:"executable_version");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}

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

if(hotfix_check_sp(win2k:5, xp:4, win2003:3, winVista:2, win2008:2) <= 0){
  exit(0);
}



if(hotfix_missing(name:"960225") == 0){
  exit(0);
}

sysPath = smb_get_system32root();
if(sysPath)
{
  sysVer = fetch_file_version(sysPath:sysPath, file_name:"Schannel.dll");
  if(sysVer)
  {
    if(hotfix_check_sp(win2k:5) > 0)
    {
      if(version_is_less(version:sysVer, test_version:"5.1.2195.7213")){
        report = report_fixed_ver(installed_version:sysVer, fixed_version:"5.1.2195.7213", install_path:sysPath);
        security_message(port: 0, data: report);
      }
     exit(0);
    }

    if(hotfix_check_sp(xp:4) > 0)
    {
      SP = get_kb_item("SMB/WinXP/ServicePack");
      if("Service Pack 2" >< SP)
      {
        if(version_is_less(version:sysVer, test_version:"5.1.2600.3487")){
           report = report_fixed_ver(installed_version:sysVer, fixed_version:"5.1.2600.3487", install_path:sysPath);
           security_message(port: 0, data: report);
        }
        exit(0);
      }
      else if("Service Pack 3" >< SP)
      {
        if(version_is_less(version:sysVer, test_version:"5.1.2600.5721")){
          report = report_fixed_ver(installed_version:sysVer, fixed_version:"5.1.2600.5721", install_path:sysPath);
          security_message(port: 0, data: report);
        }
        exit(0);
      }
       security_message( port: 0, data: "The target host was found to be vulnerable" );
    }

    if(hotfix_check_sp(win2003:3) > 0)
    {
      SP = get_kb_item("SMB/Win2003/ServicePack");
      if("Service Pack 1" >< SP)
      {
        if(version_is_less(version:sysVer, test_version:"5.2.3790.3293")){
          report = report_fixed_ver(installed_version:sysVer, fixed_version:"5.2.3790.3293", install_path:sysPath);
          security_message(port: 0, data: report);
        }
         exit(0);
      }
      else if("Service Pack 2" >< SP)
      {
        if(version_is_less(version:sysVer, test_version:"5.2.3790.4458")){
          report = report_fixed_ver(installed_version:sysVer, fixed_version:"5.2.3790.4458", 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)
{
  dllVer = fetch_file_version(sysPath:sysPath, file_name:"Schannel.dll");
  if(dllVer)
  {
    if(hotfix_check_sp(winVista:2) > 0)
    {
      SP = get_kb_item("SMB/WinVista/ServicePack");
      if("Service Pack 1" >< SP)
      {
        if(version_is_less(version:dllVer, test_version:"6.0.6001.18175")){
          report = report_fixed_ver(installed_version:dllVer, fixed_version:"6.0.6001.18175", install_path:sysPath);
          security_message(port: 0, data: report);
        }
         exit(0);
      }
    }

    else if(hotfix_check_sp(win2008:2) > 0)
    {
      SP = get_kb_item("SMB/Win2008/ServicePack");
      if("Service Pack 1" >< SP)
      {
        if(version_is_less(version:dllVer, test_version:"6.0.6001.18175")){
          report = report_fixed_ver(installed_version:dllVer, fixed_version:"6.0.6001.18175", install_path:sysPath);
          security_message(port: 0, data: report);
        }
         exit(0);
      }
    }
  }
}