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- # Written by Renaud Deraison <deraison@nessus.org>
- #
- #
- # This plugin uses the data collected by webmirror to display the list
- # of files that may not be suitable to be distributed over the web as
- # they may be used for intelligence purposes.
-
-
- if(description)
- {
- script_id(11419);
- script_version ("$Revision: 1.7 $");
-
- name["english"] = "Office files list";
- script_name(english:name["english"]);
-
- desc["english"] = "
- This script displays the list of .xls, .ppt, .doc and .pdf files that
- are available on the remote server.
-
- Distributing such files over the web can be done, but the webmaster
- should make sure that they contain no confidential data.";
-
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Displays office files";
-
-
- script_summary(english:summary["english"]);
-
- script_category(ACT_GATHER_INFO);
-
-
- script_copyright(english:"This script is Copyright (C) 2003 Renaud Deraison",
- francais:"Ce script est Copyright (C) 2003 Renaud Deraison");
- family["english"] = "Remote file access";
- family["francais"] = "AccΦs aux fichiers distants";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencie("find_service.nes", "httpver.nasl", "webmirror.nasl", "no404.nasl");
- script_require_ports("Services/www", 80);
- exit(0);
- }
-
-
- include("http_func.inc");
- include("http_keepalive.inc");
-
-
- function test_files(files)
- {
- local_var f, req, soc, r, retf;
-
- retf = make_list();
- foreach f (files)
- {
- req = http_get(item:f, port:port);
- soc = http_open_socket(port);
-
- if(!soc)exit(0);
-
- send(socket:soc, data:req);
- r = recv_line(socket:soc, length:4096);
- close(soc);
- if(ereg(pattern:"^HTTP/[0-9]\.[0-9] 200 .*", string:r)){
- retf = make_list(retf, f);
- }
- }
- return retf;
- }
-
-
- port = get_http_port(default:80);
-
-
- if(!get_port_state(port))exit(0);
-
- report = "";
-
- software["doc"] = "Word";
- software["wri"] = "Write";
- software["xls"] = "Excel";
- software["ppt"] = "PowerPoint";
- software["csv"] = "spreadsheet";
- software["dif"] = "spreadsheet";
- software["rtf"] = "word processor";
- software["pdf"] = "Acrobat";
- software["sxw"] = "OO Writer";
- software["sxi"] = "00 Presentation";
- software["sxc"] = "00 Spreadsheet";
- software["sdw"] = "StarWriter";
- software["sdd"] = "StarImpress";
- software["sdc"] = "StarCalc";
-
- foreach ext(keys(software))
- {
- t = get_kb_list(string("www/", port, "/content/extensions/", ext));
- if(!isnull(t)){
- t = test_files(files:make_list(t));
- word = NULL;
- foreach f (t)
- {
- word += ' ' + f + '\n';
- }
- if(word)
- report += 'The following ' + software[ext] + ' files (.' + ext + ') are available on the remote server : \n' + word;
- }
- }
-
- if (report)
- {
- report += '
-
- You should make sure that none of these files contain confidential or
- otherwise sensitive information.
-
- An attacker may use these files to gain a more intimate knowledge of
- your organization and eventually use them do perform social engineering
- attacks (abusing the trust of the personnel of your company).
-
- Solution : sensitive files should not be accessible by everyone, but only
- by authenticated users.';
-
- security_note(port:port, data:report);
- }
-