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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(11755);
- script_bugtraq_id(2972, 7946, 7950);
- script_cve_id("CAN-2001-0826");
-
- script_version ("$Revision: 1.5 $");
-
- name["english"] = "CesarFTP multiple overflows";
- script_name(english:name["english"]);
-
- desc["english"] = "
- The remote host is running CesarFTP, a FTP server for
- Windows systems.
-
- There are multiple flaws in this version of CesarFTP which
- may allow an attcker to execute arbitrary code on this host,
- or simply to disable this server remotely.
-
- Solution : Disable this service, upgrade to version 0.99h or newer
- Risk factor : High";
-
- script_description(english:desc["english"]);
-
- summary["english"] = "CesarFTP overflows";
- script_summary(english:summary["english"]);
-
- script_category(ACT_GATHER_INFO);
-
-
- script_copyright(english:"This script is Copyright (C) 2003 Tenable Network Security");
- family["english"] = "Gain a shell remotely";
- script_family(english:family["english"]);
- script_dependencie("find_service_3digits.nasl");
- script_require_ports("Services/ftp", 21);
- exit(0);
- }
-
- #
- # The script code starts here
- #
-
- include("ftp_func.inc");
-
- port = get_kb_item("Services/ftp");
- if(!port)port = 21;
-
- if(!get_port_state(port))exit(0);
-
- soc = open_sock_tcp(port);
- if(!soc)exit(0);
-
- banner = ftp_recv_line(socket:soc);
-
-
- if(egrep(pattern:"^220 CesarFTP 0\.([0-8]|9[0-8]|99[a-g])", string:banner))
- {
- security_hole(port);
- }
-
- ftp_close(socket:soc);
-
- exit(0);
-
- #
- # The following code freezes the GUI, but does not
- # crash the FTP daemon
- #
- send(socket:soc, data:'USER !@#$%^&*()_\r\n');
- r = ftp_recv_line(socket:soc);
- display(r);
- send(socket:soc, data:'USER ' + crap(256) + '\r\n');
- r = ftp_recv_line(socket:soc);
- display(r);
-