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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(10096);
- script_cve_id("CVE-1999-0180");
- script_version ("$Revision: 1.5 $");
-
-
- name["english"] = "rsh with null username";
- script_name(english:name["english"]);
-
- desc["english"] = "
- It is possible to execute arbitrary command on this host
- using rsh by supplying a NULL username.
-
-
- Risk factor : High";
-
-
-
-
- script_description(english:desc["english"]);
-
- summary["english"] = "attempts to log in using rsh";
-
- script_summary(english:summary["english"]);
-
- script_category(ACT_GATHER_INFO);
-
-
- script_copyright(english:"This script is Copyright (C) 2002 Renaud Deraison",
- francais:"Ce script est Copyright (C) 2002 Renaud Deraison");
- family["english"] = "Gain a shell remotely";
- family["francais"] = "Obtenir un shell α distance";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencie("find_service.nes", "rsh.nasl");
- script_require_ports("Services/rsh", 514);
- script_require_keys("rsh/active");
- exit(0);
- }
-
-
-
- port = get_kb_item("Services/rsh");
- if(!port)port = 514;
- if(!get_port_state(port))exit(0);
-
- soc = open_priv_sock_tcp(dport:port);
- if(soc)
- {
- s1 = raw_string(0);
- s2 = raw_string(0) + raw_string(0) + "id" + raw_string(0);
- send(socket:soc, data:s1);
- send(socket:soc, data:s2);
- a = recv(socket:soc, length:1024, min:1);
- if(strlen(a) == 0)exit(0);
- a = recv(socket:soc, length:1024);
- if(egrep(string:a, pattern:"^uid.*$"))
- {
- security_hole(port);
- }
- close(soc);
- }
-