Microsoft Windows JScript and VBScript Remote Code Execution Vulnerability (3169996)

# SPDX-FileCopyrightText: 2016 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.808193");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2016-3204");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/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:L/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:"2018-10-12 22:11:00 +0000 (Fri, 12 Oct 2018)");
  script_tag(name:"creation_date", value:"2016-07-13 07:48:13 +0530 (Wed, 13 Jul 2016)");
  script_name("Microsoft Windows JScript and VBScript Remote Code Execution Vulnerability (3169996)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft Bulletin MS16-086.");

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

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

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to execute arbitrary code in the context of the currently
  logged-in user.");

  script_tag(name:"affected", value:"- Microsoft Windows Vista x32/x64 Edition Service Pack 2

  - Microsoft Windows Server 2008 x32/x64 Edition Service Pack 2");

  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_tag(name:"qod_type", value:"executable_version");

  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/kb/3169996");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/MS16-086");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");
  exit(0);
}

include("smb_nt.inc");
include("secpod_reg.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);
}

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

dllVer = fetch_file_version(sysPath:sysPath, file_name:"System32\Vbscript.dll");
if(!dllVer){
  exit(0);
}

if(dllVer =~ "^(5\.7\.6002\.2)"){
  Vulnerable_range = "5.7.6002.23000 - 5.7.6002.23976";
}

else if(dllVer =~ "^(5\.7\.6002\.1)"){
  Vulnerable_range = "Less than 5.7.6002.19662";
}

if(hotfix_check_sp(winVista:3, winVistax64:3, win2008:3, win2008x64:3) > 0)
{
  if(version_is_less(version:dllVer, test_version:"5.7.6002.19662") ||
     version_in_range(version:dllVer, test_version:"5.7.6002.23000", test_version2:"5.7.6002.23976"))
  {
    report = 'File checked:     ' + sysPath + "\system32\Vbscript.dll" + '\n' +
             'File version:     ' + dllVer  + '\n' +
             'Vulnerable range: ' + Vulnerable_range + '\n' ;
    security_message(data:report);
    exit(0);
  }
}