Removable Storage access on remote sessions - Windows

# SPDX-FileCopyrightText: 2010 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("1.3.6.1.4.1.25623.1.0.96048");
  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:"2010-04-27 10:02:59 +0200 (Tue, 27 Apr 2010)");
  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("Removable Storage access on remote sessions - Windows");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 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 Read Status of: Policy All Removable Storage: Allow direct access in remote sessions.");

  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/AllowRemoteDASD", value:"error");
  set_kb_item(name:"WMI/AllowRemoteDASD/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){
  log_message(port:0, data:"wmi_connect: WMI Connect failed.");
  set_kb_item(name:"WMI/AllowRemoteDASD", value:"error");
  set_kb_item(name:"WMI/AllowRemoteDASD/log", value:"wmi_connect: WMI Connect failed.");
  wmi_close(wmi_handle:handle);
  exit(0);
}

REGKEY = wmi_reg_enum_value(wmi_handle:handle, key:"Software\Policies\Microsoft\Windows\RemovableStorageDevices");

if(!REGKEY){
  set_kb_item(name:"WMI/AllowRemoteDASD", value:"0");
  wmi_close(wmi_handle:handle);
  exit(0);
}else if ("AllowRemoteDASD" >!< REGKEY){
  set_kb_item(name:"WMI/CD_Autostart", value:"0");
  wmi_close(wmi_handle:handle);
  exit(0);
}

AllowRemoteDASD = wmi_reg_get_dword_val(wmi_handle:handle, key:"Software\Policies\Microsoft\Windows\RemovableStorageDevices", val_name:"AllowRemoteDASD");

if(!AllowRemoteDASD || AllowRemoteDASD == "0") AllowRemoteDASD = "0";

set_kb_item(name:"WMI/AllowRemoteDASD", value:AllowRemoteDASD);
wmi_close(wmi_handle:handle);
exit(0);