Microsoft Windows NETLOGON Spoofing Vulnerability (3002657)

# SPDX-FileCopyrightText: 2015 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("1.3.6.1.4.1.25623.1.0.805145");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2015-0005");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:A/AC:M/Au:N/C:P/I:P/A:N");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2015-03-11 11:03:39 +0530 (Wed, 11 Mar 2015)");
  script_tag(name:"qod_type", value:"executable_version");
  script_name("Microsoft Windows NETLOGON Spoofing Vulnerability (3002657)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft Bulletin MS15-027.");

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

  script_tag(name:"insight", value:"Flaw is due to Netlogon service improperly
  establishes a secure communications channel belonging to a different machine
  with a spoofed computer name.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  man-in-the-middle attacker to conduct SMB relay attacks on domain environments
  utilizing SMB Signing enforcement, and decrypt SMB3 communications intercepted.");

  script_tag(name:"affected", value:"- Microsoft Windows Server 2012/R2

  - Microsoft Windows 2003 x32/x64 Edition Service Pack 2 and prior

  - Microsoft Windows Server 2008 R2 x64 Edition Service Pack 1 and prior

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

  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/kb/3002657");
  script_xref(name:"URL", value:"https://technet.microsoft.com/library/security/MS15-027");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 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(win2003:3, win2003x64:3, win2008:3,
                   win2008r2:2, win2012:1, win2012R2:1) <= 0){
  exit(0);
}

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

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

if(hotfix_check_sp(win2003x64:3,win2003:3) > 0)
{
  if(version_is_less(version:dllVer, test_version:"5.2.3790.5551")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

## Currently not supporting for Windows Server 2008 64 bit
if(hotfix_check_sp(win2008:3) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.0.6002.19319") ||
     version_in_range(version:dllVer, test_version:"6.0.6002.23000", test_version2:"6.0.6002.23628")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

if(hotfix_check_sp(win2008r2:2) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.1.7601.18759") ||
     version_in_range(version:dllVer, test_version:"6.1.7601.22000", test_version2:"6.1.7601.22965")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

if(hotfix_check_sp(win2012:1) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.2.9200.17273") ||
     version_in_range(version:dllVer, test_version:"6.2.9200.20000", test_version2:"6.2.9200.21390")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

## win2012R2
if(hotfix_check_sp(win2012R2:1) > 0)
{
  if(version_is_less(version:dllVer, test_version:"6.3.9600.17678")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}