PHP3 Physical Path Disclosure Vulnerability

# SPDX-FileCopyrightText: 2001 Matt Moore
# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.10670");
  script_version("2023-12-13T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-12-13 05:05:23 +0000 (Wed, 13 Dec 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  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("PHP3 Physical Path Disclosure Vulnerability");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2001 Matt Moore");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "httpver.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_xref(name:"URL", value:"http://online.securityfocus.com/archive/1/65078");
  script_xref(name:"URL", value:"http://online.securityfocus.com/archive/101/184240");

  script_tag(name:"solution", value:"In the PHP configuration file change display_errors to 'Off':

  display_errors = Off");

  script_tag(name:"summary", value:"PHP3 will reveal the physical path of the webroot when asked for
  a non-existent PHP3 file if it is incorrectly configured.");

  script_tag(name:"insight", value:"Although printing errors to the output is useful for debugging
  applications, this feature should not be enabled on production servers.");

  script_tag(name:"solution_type", value:"Mitigation");
  script_tag(name:"qod_type", value:"remote_analysis");

  exit(0);
}

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

port = http_get_port(default:80);
if(!http_can_host_php(port:port))
  exit(0);

url = "/nosuchfile-10303-10310.php3";
req = http_get(item:url, port:port);
res = http_send_recv(port:port, data:req);
if(!res)
  exit(0);

if("Unable to open" >< res) {
  report = http_report_vuln_url(port:port, url:url);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);