Microsoft Internet Explorer Remote Code Execution Vulnerability (KB4014661)

# SPDX-FileCopyrightText: 2017 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

CPE = "cpe:/a:microsoft:ie";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.810853");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2017-0201");
  script_tag(name:"cvss_base", value:"7.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-07-11 01:33:00 +0000 (Tue, 11 Jul 2017)");
  script_tag(name:"creation_date", value:"2017-03-15 12:07:36 +0530 (Wed, 15 Mar 2017)");
  script_tag(name:"qod_type", value:"executable_version");
  script_name("Microsoft Internet Explorer Remote Code Execution Vulnerability (KB4014661)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft security updates KB4014661.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw exists in the way that the JScript
  and VBScript engines render when handling objects in memory in Internet Explorer.");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker
  to execute arbitrary code in the context of the current user.");

  script_tag(name:"affected", value:"Microsoft Internet Explorer version 9.x.");

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4014661");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/97454");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4014661/cumulative-security-update-for-internet-explorer-april-11-2017");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("gb_ms_ie_detect.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("MS/IE/Version");
  exit(0);
}

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

if(hotfix_check_sp(winVista:3, winVistax64:3, win2008:3, win2008x64:3) <= 0){
  exit(0);
}

ieVer = get_app_version(cpe:CPE);
if(!ieVer || ieVer !~ "^9\."){
  exit(0);
}

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

iedllVer = fetch_file_version(sysPath:iePath, file_name:"Mshtml.dll");
if(!iedllVer){
  exit(0);
}

if(hotfix_check_sp(winVista:3, win2008:3, winVistax64:3, win2008x64:3) > 0)
{
  if(version_in_range(version:iedllVer, test_version:"9.0.8112.16000", test_version2:"9.0.8112.16871"))
  {
    Vulnerable_range = "9.0.8112.16000 - 9.0.8112.16871";
    VULN = TRUE ;
  }
  else if(version_in_range(version:iedllVer, test_version:"9.0.8112.20000", test_version2:"9.0.8112.20985"))
  {
    Vulnerable_range = "9.0.8112.20000 - 9.0.8112.20985";
    VULN = TRUE ;
  }

  if(VULN)
  {
    report = 'File checked:     ' + iePath + "\Mshtml.dll" + '\n' +
             'File version:     ' + iedllVer  + '\n' +
             'Vulnerable range: ' + Vulnerable_range + '\n' ;
    security_message(data:report);
    exit(0);
  }
}
exit(0);