Gnat-TGP 'DOCUMENT_ROOT' Parameter RFI Vulnerability

# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800758");
  script_version("2023-12-13T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-12-13 05:05:23 +0000 (Wed, 13 Dec 2023)");
  script_tag(name:"creation_date", value:"2010-04-16 16:17:26 +0200 (Fri, 16 Apr 2010)");
  script_cve_id("CVE-2010-1272");
  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_name("Gnat-TGP 'DOCUMENT_ROOT' Parameter RFI Vulnerability");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/56675");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/38522");
  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/11621");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"impact", value:"Successful exploitation will let attackers to execute arbitrary
  code in a user's browser session in the context of an affected site.");

  script_tag(name:"affected", value:"Gnat-TGP version 1.2.20 and prior");

  script_tag(name:"insight", value:"The flaw is due to the error in the 'DOCUMENT_ROOT' parameter,
  which allows remote attackers to send a specially-crafted URL request to the 'tgpinc.php' script.");

  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:"Gnat-TGP is prone to a remote file include (RFI) vulnerability");

  script_tag(name:"solution_type", value:"WillNotFix");
  script_tag(name:"qod_type", value:"remote_banner");
  exit(0);
}

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

port = http_get_port(default:80);

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

foreach dir (make_list_unique("/gnat-tgp", "/Gnat-TGP", "/", http_cgi_dirs(port:port)))
{

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

  req = http_get(item: dir + "/gnat/admin/index.php", port:port);
  res = http_keepalive_send_recv(port:port, data:req);

  if("Gnat-TGP" >< res && res =~ "^HTTP/1\.[01] 200")
  {
    version = eregmatch(pattern:";([0-9.]+)" , string:res);
    if(version[1] != NULL)
    {
      if(version_is_less_equal(version:version[1], test_version:"1.2.20"))
      {
        security_message(port:port);
        exit(0);
      }
    }
  }
}

exit(99);