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- # Written by Renaud Deraison <deraison@nessus.org>
- #
- #
- # This plugin uses the data collected by webmirror.nasl to try
- # to download a backup file old each CGI (as in foo.php -> foo.php.old)
-
-
- if(description)
- {
- script_id(11411);
- script_version ("$Revision: 1.11 $");
-
- name["english"] = "Backup CGIs download";
- script_name(english:name["english"]);
-
- desc["english"] = "
- This script attempts to download a backup file of each
- CGI by doing a GET request on the name of each CGI, followed by
- a .bak, ~ or .old.";
-
-
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Attempts to download the remote CGIs";
-
-
- 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"] = "CGI abuses";
- family["francais"] = "Abus de CGI";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencie("find_service.nes", "webmirror.nasl", "http_version.nasl");
- script_require_ports("Services/www", 80);
- exit(0);
- }
-
-
- include("http_func.inc");
- include("http_keepalive.inc");
-
-
- port = get_http_port(default:80);
-
-
- if(!get_port_state(port))exit(0);
-
- list = make_list();
-
- t = get_kb_list(string("www/", port, "/cgis"));
- if(!isnull(t)){
- foreach c (t)
- s = strstr(c, " - ");
- c = c - s;
- list = make_list(list, c);
- }
-
-
- t = get_kb_list(string("www/", port, "/content/extensions/asp"));
- if(!isnull(t))list = make_list(list, t);
-
- t = get_kb_list(string("www/", port, "/content/extensions/jsp"));
- if(!isnull(t))list = make_list(list, t);
-
- t = get_kb_list(string("www/", port, "/content/extensions/php"));
- if(!isnull(t))list = make_list(list, t);
-
- t = get_kb_list(string("www/", port, "/content/extensions/php3"));
- if(!isnull(t))list = make_list(list, t);
-
- t = get_kb_list(string("www/", port, "/content/extensions/php4"));
- if(!isnull(t))list = make_list(list, t);
-
- t = get_kb_list(string("www/", port, "/content/extensions/cfm"));
- if(!isnull(t))list = make_list(list, t);
-
-
- list = make_list(list, "/.htaccess");
-
-
- exts = make_list(".old", ".bak", "~", ".2", ".copy", ".tmp", ".swp", ".swp");
- prefixes = make_list("", "", "", "", "", "", "", ".");
-
- oldfiles = make_list();
- foreach f (list)
- {
- this_oldfiles = make_list();
- num_match = 0;
- for ( i = 0; exts[i]; i ++ )
- {
- if(is_cgi_installed_ka(port:port, item:string(prefixes[i], f, exts[i])))
- {
- this_oldfiles = make_list(this_oldfiles, string(f, exts[i]));
- num_match ++;
- }
- }
- # Avoid false positives
- if(num_match < 5) oldfiles = make_list(oldfiles, this_oldfiles);
- }
-
- report = NULL;
-
- foreach f (oldfiles)
- {
- report += f + '\n';
- }
-
- if( report != NULL )
- {
- report = "
- It seems that the source code of various CGIs can be accessed by
- requesting the CGI name with a special suffix (.old, .bak, ~ or .copy)
-
- Here is the list of CGIs Nessus gathered :
- " + report + '\n\nYou should delete these files.';
-
- security_hole(port:port, data:report);
-
- }
-