Server Service Could Allow Remote Code Execution Vulnerability (958644)

# Copyright (C) 2008 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("1.3.6.1.4.1.25623.1.0.900055");
  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:"2008-10-24 09:48:39 +0200 (Fri, 24 Oct 2008)");
  script_cve_id("CVE-2008-4250");
  script_copyright("Copyright (C) 2008 Greenbone Networks GmbH");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_category(ACT_GATHER_INFO);
  script_family("Windows : Microsoft Bulletins");
  script_name("Server Service Could Allow Remote Code Execution Vulnerability (958644)");
  script_dependencies("secpod_reg_enum.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/registry_enumerated");

  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-067");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/31874");
  script_xref(name:"URL", value:"https://web.archive.org/web/20170817031417/https://technet.microsoft.com/en-us/security/dd452420.aspx");

  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 2008 Service Pack 1 and prior");

  script_tag(name:"insight", value:"Flaw is due to an error in the Server Service, that does not properly
  handle specially crafted RPC requests.");

  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 MS08-067.");

  script_tag(name:"impact", value:"Successful exploitation could allow remote attackers to take
  complete control of an affected system.

  Variants of Conficker worm are based on the above described vulnerability.
  More details regarding the worm and means to resolve this can be found at
  the linked references.");

  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:3, win2008:3) <= 0){
  exit(0);
}

if(hotfix_missing(name:"958644") == 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 + "\Netapi32.dll");

dllVer = GetVer(file:file, share:share);
if(!dllVer){
  exit(0);
}

if(hotfix_check_sp(win2k:5) > 0)
{
  if(egrep(pattern:"^5\.0\.2195\.([0-6]?[0-9]?[0-9]?[0-9]|7([01][0-9][0-9]|" +
                   "20[0-2]))$", string:dllVer)){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

if(hotfix_check_sp(xp:4) > 0)
{
  SP = get_kb_item("SMB/WinXP/ServicePack");
  if("Service Pack 2" >< SP)
  {
    if(egrep(pattern:"^5\.1\.2600\.([0-2]?[0-9]?[0-9]?[0-9]|3([0-3][0-9][0-9]|" +
                     "4([0-5][0-9]|6[01])))$", string:dllVer)){
       security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
    exit(0);
  }
  else if("Service Pack 3" >< SP)
  {
    if(egrep(pattern:"^5\.1\.2600\.([0-4]?[0-9]?[0-9]?[0-9]|5([0-5][0-9][0-9]|" +
                     "6([0-8][0-9]|9[0-3])))$", string:dllVer)){
       security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
    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(egrep(pattern:"^5\.2\.3790\.([0-2]?[0-9]?[0-9]?[0-9]|3[01][0-9][0-9]|" +
                     "32([01][0-9]|2[0-8]))$",
             string:dllVer)){
       security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
    exit(0);
  }
  else if("Service Pack 2" >< SP)
  {
    if(egrep(pattern:"^5\.2\.3790\.([0-3]?[0-9]?[0-9]?[0-9]|4([0-2][0-9][0-9]|" +
                     "3([0-8][0-9]|9[01])))$", string:dllVer)){
       security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
    exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

sysPath = registry_get_sz(key:"SOFTWARE\Microsoft\Windows NT\CurrentVersion",
                      item:"PathName");
if(!sysPath){
  exit(0);
}

sysVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Netapi32.dll");
if(sysVer)
{
  if(hotfix_check_sp(winVista:2) > 0)
  {
    SP = get_kb_item("SMB/WinVista/ServicePack");
    if("Service Pack 1" >< SP)
    {
      if(version_is_less(version:sysVer, test_version:"6.0.6001.18157")){
          report = report_fixed_ver(installed_version:sysVer, fixed_version:"6.0.6001.18157");
          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:sysVer, test_version:"6.0.6001.18157")){
          report = report_fixed_ver(installed_version:sysVer, fixed_version:"6.0.6001.18157");
          security_message(port: 0, data: report);
      }
      exit(0);
    }
  }
}