Microsoft Windows Defender Privilege Elevation Vulnerability (2847927)

###############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_ms13-058.nasl 5339 2017-02-18 16:28:22Z cfi $
#
# Microsoft Windows Defender Privilege Elevation Vulnerability (2847927)
#
# Authors:
# Antu Sanadi <[email protected]>
#
# Copyright:
# Copyright (c) 2013 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 will allow remote attackers to execute arbitrary
  code in the security context of the LocalSystem account.
  Impact Level: System";

tag_affected = "Windows Defender for
  Microsoft Windows 7 x32/x64 Edition Service Pack 1 and prior
  Microsoft Windows Server 2008 R2 x64 Edition Service Pack 1 and prior";
tag_insight = "The flaw is due to an unspecified error within Windows Defender related to
  pathnames and can be exploited to execute arbitrary code with system
  privileges.";
tag_solution = "Run Windows Update and update the listed hotfixes or download and
  update mentioned hotfixes in the advisory from the below link,
  http://technet.microsoft.com/en-us/security/bulletin/ms13-058";
tag_summary = "This host is missing an important security update according to
  Microsoft Bulletin MS13-058.";

if(description)
{
  script_id(902979);
  script_version("$Revision: 5339 $");
  script_cve_id("CVE-2013-3154");
  script_bugtraq_id(60981);
  script_tag(name:"cvss_base", value:"6.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"$Date: 2017-02-18 17:28:22 +0100 (Sat, 18 Feb 2017) $");
  script_tag(name:"creation_date", value:"2013-07-10 10:05:39 +0530 (Wed, 10 Jul 2013)");
  script_name("Microsoft Windows Defender Privilege Elevation Vulnerability (2847927)");
  script_xref(name : "URL" , value : "http://secunia.com/advisories/54063/");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2847927");
  script_xref(name : "URL" , value : "https://technet.microsoft.com/en-us/security/bulletin/ms13-058");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2013 SecPod");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.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");
  exit(0);
}

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

## Variable Initialization
key = "";
defender_ver = "";
program_files_path = "";

## Check for OS and Service Pack
if(hotfix_check_sp(win7:2, win7x64:2, win2008r2:2)<=0){
  exit(0);
}

## Windows Defender Key exists
key = "SOFTWARE\Microsoft\Windows Defender";
if(!registry_key_exists(key:key)){
  exit(0);
}

## Get Program Files Dir Path
program_files_path = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion",
                                     item:"ProgramFilesDir");
if(!program_files_path){
  exit(0);
}

## Get Version from MSASCui.exe file
defender_ver = fetch_file_version(sysPath:program_files_path,
                 file_name:"Windows Defender\Mpclient.dll");
if(!defender_ver){
  exit(0);
}

## Check for MSASCui.exe version
if(version_is_less(version:defender_ver, test_version:"6.1.7600.17316") ||
   version_in_range(version:defender_ver, test_version:"6.1.7600.20000", test_version2:"6.1.7600.21530")||
   version_in_range(version:defender_ver, test_version:"6.1.7601.17000", test_version2:"6.1.7601.18169")||
   version_in_range(version:defender_ver, test_version:"6.1.7601.21000", test_version2:"6.1.7601.22340"))
{
  security_message(0);
  exit(0);
}