Twonky Server < 7.0.8 Directory Traversal Vulnerability

# 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

CPE = "cpe:/a:lynxtechnology:twonky_server";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.108005");
  script_version("2025-11-21T05:40:28+0000");
  script_tag(name:"last_modification", value:"2025-11-21 05:40:28 +0000 (Fri, 21 Nov 2025)");
  script_tag(name:"creation_date", value:"2016-09-27 12:00:00 +0200 (Tue, 27 Sep 2016)");
  script_tag(name:"cvss_base", value:"6.4");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:P");

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

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

  script_name("Twonky Server < 7.0.8 Directory Traversal Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_twonky_server_http_detect.nasl");
  script_mandatory_keys("twonky/server/detected");

  script_tag(name:"summary", value:"Twonky Server is prone to a directory traversal vulnerability
  because it fails to properly sanitize user-supplied.");

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

  script_tag(name:"impact", value:"An unauthenticated remote attacker can use this vulnerability to
  retrieve arbitrary files that are located outside the root of the web server.");

  script_tag(name:"affected", value:"Twonky Server prior to version 7.0.8.");

  script_tag(name:"solution", value:"Update to version 7.0.8 or later.");

  script_xref(name:"URL", value:"https://packetstormsecurity.com/files/112227/DDIVRT-2012-40.txt");
  script_xref(name:"URL", value:"https://docs.twonky.com/display/TRN/Twonky+Server+7.0.x");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if( ! port = get_app_port( cpe:CPE ) )
  exit( 0 );

if( ! infos = get_app_version_and_location( cpe:CPE, port:port, exit_no_version:TRUE ) )
  exit( 0 );

version = infos["version"];
location = infos["location"];

if( version_is_less( version:version, test_version:"7.0.8" ) ) {
  report = report_fixed_ver( installed_version:version, fixed_version:"7.0.8", install_path:location );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );