YaPiG Password Protected Directory Access Flaw

# OpenVAS Vulnerability Test
# $Id: yapig_pass_dir_access.nasl 5780 2017-03-30 07:37:12Z cfi $
# Description: YaPiG Password Protected Directory Access Flaw
#
# Authors:
# David Maciejak <david dot maciejak at kyxar dot fr>
#
# Copyright:
# Copyright (C) 2005 David Maciejak
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2,
# 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 = "The remote web server contains a PHP application that is prone to an
information disclosure flaw. 

Description :

The remote host is running YaPiG, a web-based image gallery written in
PHP. 

The remote version of this software contains a flaw that can let a
malicious user view images in password protected directories. 
Successful exploitation of this issue may allow an attacker to access
unauthorized images on a vulnerable server.";

tag_solution = "Unknown at this time.";

if(description)
{
 script_id(18628);
 script_version("$Revision: 5780 $");
 script_tag(name:"last_modification", value:"$Date: 2017-03-30 09:37:12 +0200 (Thu, 30 Mar 2017) $");
 script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
 script_bugtraq_id(14099);
 script_xref(name:"OSVDB", value:"11025");
 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("YaPiG Password Protected Directory Access Flaw");
 script_category(ACT_GATHER_INFO);
 script_tag(name:"qod_type", value:"remote_vul");
 script_copyright("This script is Copyright (C) 2005 David Maciejak");
 script_family("Web application abuses");
 script_dependencies("find_service.nasl", "http_version.nasl");
 script_require_ports("Services/www", 80);
 script_exclude_keys("Settings/disable_cgi_scanning");
 script_tag(name : "solution" , value : tag_solution);
 script_tag(name : "summary" , value : tag_summary);
 script_xref(name : "URL" , value : "http://sourceforge.net/tracker/index.php?func=detail&aid=842990&group_id=93674&atid=605076");
 script_xref(name : "URL" , value : "http://sourceforge.net/tracker/index.php?func=detail&aid=843736&group_id=93674&atid=605076");
 exit(0);
}

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

port = get_http_port(default:80);
if (!can_host_php(port:port)) exit(0);

foreach dir( make_list_unique( "/yapig", "/gallery", "/photos", "/photo", cgi_dirs( port:port ) ) ) {

  if( dir == "/" ) dir = "";
  res = http_get_cache(item:string(dir, "/"), port:port);
  if (res == NULL) continue;

  #Powered by <a href="http://yapig.sourceforge.net" title="Yet Another PHP Image Gallery">YaPig</a> V0.92b
  if(egrep(pattern:"Powered by .*YaPig.* V0\.([0-8][0-9]($|[^0-9])|9([0-3]|4[a-u]))", string:res)) {
    security_message( port:port );
    exit(0);
  }
}

exit( 99 );