Check for SSIEnableCmdDirective at IIS - Windows

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.96010");
  script_version("2024-02-28T14:37:42+0000");
  script_tag(name:"last_modification", value:"2024-02-28 14:37:42 +0000 (Wed, 28 Feb 2024)");
  script_tag(name:"creation_date", value:"2009-10-23 12:32:24 +0200 (Fri, 23 Oct 2009)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
  script_tag(name:"qod_type", value:"registry");
  script_name("Check for SSIEnableCmdDirective at IIS - Windows");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("IT-Grundschutz");
  script_mandatory_keys("Compliance/Launch/GSHB", "Tools/Present/wmi");
  script_dependencies("smb_reg_service_pack.nasl", "GSHB/GSHB_WMI_OSInfo.nasl");

  script_tag(name:"summary", value:"The script detects if the SSI enable Cmd Directive is activated
  for the IIS.");

  exit(0);
}

include("smb_nt.inc");

host    = get_host_ip();
usrname = kb_smb_login();
domain  = kb_smb_domain();
if (domain){
  usrname = domain + '\\' + usrname;
}
passwd = kb_smb_password();

OSVER = get_kb_item("WMI/WMI_OSVER");

if(!OSVER || OSVER >< "none"){
  set_kb_item(name:"WMI/SSIEnableCmdDirective", value:"error");
  set_kb_item(name:"WMI/SSIEnableCmdDirective/log", value:"No access to SMB host.\nFirewall is activated or there is not a Windows system.");
  exit(0);
}

handle = wmi_connect_reg(host:host, username:usrname, password:passwd);

if(!handle){
  set_kb_item(name:"WMI/SSIEnableCmdDirective", value:"error");
  set_kb_item(name:"WMI/SSIEnableCmdDirective/log", value:"wmi_connect: WMI Connect failed.");
  wmi_close(wmi_handle:handle);
  exit(0);
}

IISVer= wmi_reg_get_dword_val(wmi_handle:handle, key:"SOFTWARE\\Microsoft\\InetStp", val_name:"MajorVersion");

if (!IISVer){
  set_kb_item(name:"WMI/SSIEnableCmdDirective", value:"off");
  set_kb_item(name:"WMI/SSIEnableCmdDirective/log", value:"IT-Grundschutz: No IIS installed!");
  wmi_close(wmi_handle:handle);
  exit(0);
}else{

SSIENCMDKEY = wmi_reg_enum_value(wmi_handle:handle, key:"SYSTEM\\CurrentControlSet\\Services\\W3SVC\\Parameters");

if(!SSIENCMDKEY){
  set_kb_item(name:"WMI/SSIEnableCmdDirective", value:"error");
  set_kb_item(name:"WMI/SSIEnableCmdDirective/log", value:"IT-Grundschutz: Registry Path not found.");
  wmi_close(wmi_handle:handle);
  exit(0);
}

    if(IISVer < 6)
    {
      ssiencmd = wmi_reg_get_dword_val(wmi_handle:handle, key:"SYSTEM\\CurrentControlSet\\Services\\W3SVC\\Parameters", val_name:"SSIEnableCmdDirective");
      if (!ssiencmd)
      {
        set_kb_item(name:"GGSHB/SSIEnableCmdDirective", value:"error");
        set_kb_item(name:"WMI/SSIEnableCmdDirective/log", value:"IT-Grundschutz: Registry Path not found.");
        wmi_close(wmi_handle:handle);
        exit(0);
      }
      else if(ssiencmd == 1)
      {
        ssiencmd = "on";
      }
      else
      {
        ssiencmd = "off";
      }
      set_kb_item(name:"WMI/SSIEnableCmdDirective", value:ssiencmd);

    }
    else
    {
      ssiencmd = wmi_reg_get_dword_val(wmi_handle:handle, key:"SYSTEM\CurrentControlSet\Services\W3SVC\Parameters", val_name:"SSIEnableCmdDirective");
      if (!ssiencmd)
      {
        ssiencmd = "off";
      }
      else if(ssiencmd == 1)
      {
        ssiencmd = "on";
      }
      else
      {
        ssiencmd = "off";
      }
      set_kb_item(name:"WMI/SSIEnableCmdDirective", value:ssiencmd);
                 }
}

wmi_close(wmi_handle:handle);

exit(0);