BlogEngine.NET <= 2.8.0.0 Information Disclosure Vulnerability - Active Check

# SPDX-FileCopyrightText: 2014 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("1.3.6.1.4.1.25623.1.0.803791");
  script_version("2025-08-01T15:45:48+0000");
  script_tag(name:"last_modification", value:"2025-08-01 15:45:48 +0000 (Fri, 01 Aug 2025)");
  script_tag(name:"creation_date", value:"2014-01-08 13:24:03 +0530 (Wed, 08 Jan 2014)");
  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-2013-6953");

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

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

  script_name("BlogEngine.NET <= 2.8.0.0 Information Disclosure Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl",
                      "DDI_Directory_Scanner.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"BlogEngine.NET is prone to an information disclosure
  vulnerability.");

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

  script_tag(name:"insight", value:"The flaw is due to an improper access restriction to
  'sioc.axd', which contains system configuration files.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to read arbitrary
  files on the target system and obtain valuable information such as access credentials.");

  script_tag(name:"affected", value:"BlogEngine.net version 2.8.0.0 and 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.kb.cert.org/vuls/id/553166");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/64635");

  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("list_array_func.inc");
include("port_service_func.inc");

port = http_get_port(default: 80);

foreach dir (make_list_unique("/", "/blogengine", "/blog/blogengine", http_cgi_dirs(port: port))) {

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

  res = http_get_cache(port: port, item: dir + "/");

  if (!res || res !~ "^HTTP/1\.[01] 200" || res !~ ">BlogEngine\.NET<")
    continue;

  url = dir + "/sioc.axd";

  if (http_vuln_check(port: port, url: url, pattern: "sioc:Usergroup>",
                      check_header: TRUE, extra_check: make_list(">BlogEngine\.NET", "sioc_id"))) {
    report = http_report_vuln_url(port: port, url: url);
    security_message(port: port, data: report);
    exit(0);
  }
}

exit(99);