Microsoft Windows Client/Server Run-time Subsystem Privilege Escalation Vulnerability (2567680)

###############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_ms11-063.nasl 8724 2018-02-08 15:02:56Z cfischer $
#
# Microsoft Windows Client/Server Run-time Subsystem Privilege Escalation Vulnerability (2567680)
#
# Authors:
# Antu Sanadi <[email protected]>
#
# Copyright:
# Copyright (c) 2011 SecPod, http://www.secpod.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# 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.
###############################################################################

tag_impact = "Successful exploitation could allow attacker to execute arbitrary code with
  system-level privileges. Successfully exploiting this issue will result in
  the complete compromise of affected computers.

  Impact Level: System";
tag_affected = "Microsoft Windows 7 Service Pack 1 and prior.

  Microsoft Windows XP Service Pack 3 and prior.

  Microsoft Windows 2003 Service Pack 2 and prior.

  Microsoft Windows Vista Service Pack 2 and prior.

  Microsoft Windows Server 2008 Service Pack 2 and prior.";
tag_insight = "The flaw is due to error in the Client/Server Run-time Subsystem
  (CSRSS) when evaluates inter-process device event message permissions.";
tag_solution = "Run Windows Update and update the listed hotfixes or download and
  update mentioned hotfixes in the advisory from the below link,

  http://www.microsoft.com/technet/security/bulletin/ms11-063.mspx";
tag_summary = "This host is missing a critical security update according to
  Microsoft Bulletin MS11-063.";

if(description)
{
  script_id(902463);
  script_version("$Revision: 8724 $");
  script_tag(name:"last_modification", value:"$Date: 2018-02-08 16:02:56 +0100 (Thu, 08 Feb 2018) $");
  script_tag(name:"creation_date", value:"2011-08-11 06:41:03 +0200 (Thu, 11 Aug 2011)");
  script_cve_id("CVE-2011-1967");
  script_bugtraq_id(48992);
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_name("Microsoft Windows Client/Server Run-time Subsystem Privilege Escalation Vulnerability (2567680)");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 SecPod");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_reg_enum.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");

  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2567680");
  script_xref(name : "URL" , value : "http://www.microsoft.com/technet/security/bulletin/ms11-063.mspx");
  exit(0);
}


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

## Check for OS and Service Pack
if(hotfix_check_sp(xp:4, win2003:3, winVista:3, win2008:3, win7:2) <= 0){
  exit(0);
}

## MS11-063 Hotfix (2567680)
if(hotfix_missing(name:"2567680") == 0){
  exit(0);
}

## Get System Path
sysPath = smb_get_systemroot();
if(!sysPath){
  exit(0);
}

## Get Version from winsrv.dll file
sysVer = fetch_file_version(sysPath, file_name:"system32\winsrv.dll");
if(sysVer)
{
  ## Windows XP
  if(hotfix_check_sp(xp:4) > 0)
  {
    SP = get_kb_item("SMB/WinXP/ServicePack");
    if("Service Pack 3" >< SP)
    {
      ## Check for winsrv.dll version < 5.1.2600.6125
      if(version_is_less(version:sysVer, test_version:"5.1.2600.6125")){
       security_message(0);
      }
      exit(0);
    }
    security_message(0);
  }

  ## Windows 2003
  else if(hotfix_check_sp(win2003:3) > 0)
  {
    SP = get_kb_item("SMB/Win2003/ServicePack");
    if("Service Pack 2" >< SP)
    {
      ## Check for winsrv.dll version < 5.2.3790.4877
      if(version_is_less(version:sysVer, test_version:"5.2.3790.4877")){
        security_message(0);
      }
      exit(0);
    }
    security_message(0);
  }

  ## Windows Vista and Windows Server 2008
  else if(hotfix_check_sp(winVista:3, win2008:3) > 0)
  {
    SP = get_kb_item("SMB/WinVista/ServicePack");

    if(!SP) {
     SP = get_kb_item("SMB/Win2008/ServicePack");
    }

    if("Service Pack 2" >< SP)
    {
      ## Check for winsrv.dll version
      if(version_in_range(version:sysVer, test_version:"6.0.6002.18000", test_version2:"6.0.6002.18483")||
         version_in_range(version:sysVer, test_version:"6.0.6002.22000", test_version2:"6.0.6002.22661")){
       security_message(0);
      }
      exit(0);
    }
    security_message(0);
  }
}

if(hotfix_check_sp(win7:2) > 0)
{
  ## Get Version from Kernel32.dll file
  sysVer = fetch_file_version(sysPath, file_name:"system32\Kernel32.dll");
  if(!sysVer){
    exit(0);
  }

  ## Check for Kernel32.dll version
  if(version_in_range(version:sysVer, test_version:"6.1.7600.16000", test_version2:"6.1.7600.16849")||
     version_in_range(version:sysVer, test_version:"6.1.7600.20000", test_version2:"6.1.7600.21009")||
     version_in_range(version:sysVer, test_version:"6.1.7601.17000", test_version2:"6.1.7601.17650")||
     version_in_range(version:sysVer, test_version:"6.1.7601.21000", test_version2:"6.1.7601.21771")){
    security_message(0);
  }
}