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- #
- # This script was written by Renaud Deraison <deraison@cvs.nessus.org>
- #
- # See the Nessus Scripts License for details
- #
-
- if(description)
- {
- script_id(10040);
- script_bugtraq_id(3885);
- script_version ("$Revision: 1.24 $");
- script_cve_id("CVE-2002-0128");
-
-
- name["english"] = "cgitest.exe buffer overrun";
- name["francais"] = "cgitest.exe buffer overrun";
- script_name(english:name["english"], francais:name["francais"]);
-
- desc["english"] = "There is a buffer overrun in
- the 'cgitest.exe' CGI program, which will allow anyone to
- execute arbitrary commands with the same privileges as the
- web server (root or nobody).
-
- Solution : remove it from /cgi-bin.
-
- Risk factor : High";
-
-
- desc["francais"] = "Il y a un dΘpassement de buffer
- dans le CGI 'cgitest.exe', qui permet α n'importe qui d'executer
- des commandes arbitraires avec les memes privilΦges que le
- serveur web (root ou nobody).
-
- Solution : retirez-le de /cgi-bin.
-
- Facteur de risque : SΘrieux";
-
-
- script_description(english:desc["english"], francais:desc["francais"]);
-
- summary["english"] = "Checks for the /cgi-bin/cgitest.exe buffer overrun";
- summary["francais"] = "VΘrifie le dΘpassement de buffer de /cgi-bin/cgitest.exe";
-
- script_summary(english:summary["english"], francais:summary["francais"]);
-
- script_category(ACT_MIXED_ATTACK); # mixed
-
-
- script_copyright(english:"This script is Copyright (C) 1999 Renaud Deraison",
- francais:"Ce script est Copyright (C) 1999 Renaud Deraison");
- family["english"] = "CGI abuses";
- family["francais"] = "Abus de CGI";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencie("find_service.nes", "no404.nasl");
- script_require_ports("Services/www", 80);
- exit(0);
- }
-
- #
- # The script code starts here
- #
-
- include("http_func.inc");
- include("http_keepalive.inc");
-
- port = get_http_port(default:80);
-
- if(!get_port_state(port))exit(0);
-
- flag = 0;
- directory = "";
-
- foreach dir (cgi_dirs())
- {
- if(is_cgi_installed_ka(item:string(dir, "/cgitest.exe"), port:port))
- {
- flag = 1;
- directory = dir;
- break;
- }
- }
-
-
- if(safe_checks())
- {
- if(flag)
- {
- rep = "
- There may be a buffer overrun in
- the 'cgitest.exe' CGI program, which will allow anyone to
- execute arbitrary commands with the same privileges as the
- web server (root or nobody).
-
- *** Nessus reports this vulnerability using only
- *** information that was gathered. Use caution
- *** when testing without safe checks enabled.
-
- Solution : remove it from " + directory + "
-
- Risk factor : High";
- security_hole(port:port, data:rep);
- exit(0);
- }
- }
-
- if(!flag)exit(0);
- data = string(directory, "/cgitest.exe");
- req = http_get(item:data, port:port);
- if("User-Agent" >< req)
- {
- req = ereg_replace(pattern:"(User-Agent: )(.*)$",
- replace:"\1"+crap(2600),
- string:req);
- req = req + string("\r\n\r\n");
- }
- else
- {
- req = req - string("\r\n\r\n");
- req = req + string("\r\nUser-Agent: ", crap(2600), "\r\n\r\n");
- }
-
- soc = http_open_socket(port);
- if(soc)
- {
- send(socket:soc, data:req);
- r = http_recv(socket:soc);
- if(!r)security_hole(port);
- http_close_socket(soc);
- }
-
-