Microsoft Internet Explorer Remote Code Execution Vulnerability (2965111)

# SPDX-FileCopyrightText: 2014 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("1.3.6.1.4.1.25623.1.0.804441");
  script_version("2026-04-28T06:28:06+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2014-1776");
  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_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2014-04-30 13:55:25 +0530 (Wed, 30 Apr 2014)");
  script_name("Microsoft Internet Explorer Remote Code Execution Vulnerability (2965111)");

  script_tag(name:"summary", value:"This host is missing a critical security update according to Microsoft
  Bulletin MS14-021.");

  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 Internet Explorer accesses an object in memory
  that has been deleted or has not been properly allocated.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to corrupt memory by the
  execution of arbitrary code in the context of the current user.");

  script_tag(name:"affected", value:"Microsoft Internet Explorer version 6.x/7.x/8.x/9.x/10.x/11.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:"http://secpod.org/blog/?p=2512");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/67075");
  script_xref(name:"URL", value:"http://www.kb.cert.org/vuls/id/222929");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/2963983");
  script_xref(name:"URL", value:"http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html");
  script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"executable_version");
  script_copyright("Copyright (C) 2014 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");
  script_xref(name:"URL", value:"https://technet.microsoft.com/en-us/security/bulletin/ms14-021");
  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(xp:4, xpx64:3, win2003:3, win2003x64:3, winVista:3, win7:2,
                   win7x64:2, win2008:3, win2008r2:2, win8:1, win8x64:1,
                   win2012:1, win8_1:1, win8_1x64:1) <= 0){
  exit(0);
}

ieVer = get_app_version(cpe:CPE);
if(!ieVer || ieVer !~ "^([6-9|1[01])\."){
  exit(0);
}

sysPath = smb_get_systemroot();
if(!sysPath ){
  exit(0);
}

dllVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Mshtml.dll");
if(!dllVer){
  exit(0);
}

if(hotfix_check_sp(xp:4) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.0.2900.6550") ||
     version_in_range(version:dllVer, test_version:"7.0.6000.00000", test_version2:"7.0.6000.21382")||
     version_in_range(version:dllVer, test_version:"8.0.6001.18000", test_version2:"8.0.6001.23587")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

else if(hotfix_check_sp(win2003:3, xpx64:3, win2003x64:3) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.0.3790.5328") ||
     version_in_range(version:dllVer, test_version:"7.0.6000.00000", test_version2:"7.0.6000.21382")||
     version_in_range(version:dllVer, test_version:"8.0.6001.18000", test_version2:"8.0.6001.23587")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

else if(hotfix_check_sp(winVista:3, win2008:3) > 0)
{
  if(version_in_range(version:dllVer, test_version:"7.0.6002.18000", test_version2:"7.0.6002.19086")||
     version_in_range(version:dllVer, test_version:"7.0.6002.22000", test_version2:"7.0.6002.23376")||
     version_in_range(version:dllVer, test_version:"8.0.6001.18000", test_version2:"8.0.6001.19528")||
     version_in_range(version:dllVer, test_version:"8.0.6001.20000", test_version2:"8.0.6001.23587")||
     version_in_range(version:dllVer, test_version:"9.0.8112.16000", test_version2:"9.0.8112.16545")||
     version_in_range(version:dllVer, test_version:"9.0.8112.20000", test_version2:"9.0.8112.20656")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

else if(hotfix_check_sp(win7:2, win7x64:2, win2008r2:2) > 0)
{
  if(version_in_range(version:dllVer, test_version:"8.0.7601.16000", test_version2:"8.0.7601.18445")||
     version_in_range(version:dllVer, test_version:"8.0.7601.21000", test_version2:"8.0.7601.22656")||
     version_in_range(version:dllVer, test_version:"9.0.8112.16000", test_version2:"9.0.8112.16545")||
     version_in_range(version:dllVer, test_version:"9.0.8112.20000", test_version2:"9.0.8112.20656")||
     version_in_range(version:dllVer, test_version:"10.0.9200.16000", test_version2:"10.0.9200.16896")||
     version_in_range(version:dllVer, test_version:"10.0.9200.21000", test_version2:"10.0.9200.21023")||
     version_in_range(version:dllVer, test_version:"11.0.9600.00000", test_version2:"11.0.9600.16660")||
     version_in_range(version:dllVer, test_version:"11.0.9600.17000", test_version2:"11.0.9600.17104")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

else if(hotfix_check_sp(win8:1, win2012:1) > 0)
{
  if(version_in_range(version:dllVer, test_version:"10.0.9200.16000", test_version2:"10.0.9200.16896")||
     version_in_range(version:dllVer, test_version:"10.0.9200.20000", test_version2:"10.0.9200.21023")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}


else if(hotfix_check_sp(win8_1:1) > 0)
{
  if(version_in_range(version:dllVer, test_version:"11.0.9600.00000", test_version2:"11.0.9600.16660")||
     version_in_range(version:dllVer, test_version:"11.0.9600.17000", test_version2:"11.0.9600.17104")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}