Dienstplan Predictable Random Password Generation Vulnerability

2011-09-02T00:00:00
ID OPENVAS:103237
Type openvas
Reporter This script is Copyright (C) 2011 Greenbone Networks GmbH
Modified 2017-03-28T00:00:00

Description

Dienstplan is prone to an insecure random password generation vulnerability.

Successfully exploiting this issue may allow an attacker to guess randomly generated passwords.

Versions prior to Dienstplan 2.3 are vulnerable.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_dienstplan_49412.nasl 5747 2017-03-28 12:18:28Z cfi $
#
# Dienstplan Predictable Random Password Generation Vulnerability
#
# Authors:
# Michael Meyer <michael.meyer@greenbone.net>
#
# Copyright:
# Copyright (c) 2011 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 = "Dienstplan is prone to an insecure random password generation
vulnerability.

Successfully exploiting this issue may allow an attacker to guess
randomly generated passwords.

Versions prior to Dienstplan 2.3 are vulnerable.";

tag_solution = "Updates are available. Please see the references for more information.";

if(description)
{
 script_id(103237);
 script_version("$Revision: 5747 $");
 script_tag(name:"last_modification", value:"$Date: 2017-03-28 14:18:28 +0200 (Tue, 28 Mar 2017) $");
 script_tag(name:"creation_date", value:"2011-09-02 13:13:57 +0200 (Fri, 02 Sep 2011)");
 script_bugtraq_id(49412);
 script_tag(name:"cvss_base", value:"6.5");
 script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:P");

 script_name("Dienstplan Predictable Random Password Generation Vulnerability");

 script_xref(name : "URL" , value : "http://www.securityfocus.com/bid/49412");
 script_xref(name : "URL" , value : "http://www.thomas-gubisch.de/dienstplan.html");
 script_xref(name : "URL" , value : "http://archives.neohapsis.com/archives/fulldisclosure/current/0370.html");

 script_tag(name:"qod_type", value:"remote_banner");
 script_category(ACT_GATHER_INFO);
 script_family("Web application abuses");
 script_copyright("This script is Copyright (C) 2011 Greenbone Networks GmbH");
 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);
 exit(0);
}

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

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

foreach dir( make_list_unique( "/dienstplan", cgi_dirs( port:port ) ) ) {

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

  url = string(dir, "/?page=login&action=about");
  req = http_get(item:url, port:port);
  res = http_keepalive_send_recv(port:port, data:req);

  if("Dienstplan" >!< res) continue;
  version = eregmatch(pattern:"Dienstplan Version ([0-9.]+)", string: res);
  if(isnull(version[1])) continue;

  if(version_is_less(version:version[1], test_version:"2.3")) {
    report = report_fixed_ver( installed_version:version[1], fixed_version:"2.3" );
    security_message( port:port, data:report );
    exit( 0 );
  }
}

exit( 99 );