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- ##
- #
- # This script attempts to identify a MS SQL Server
- # by logging with an inexistent user and checking
- # the banner returned by the server
- #
- # Adapted from mssql_blank_password.nasl by
- # Nicolas Gregoire <ngregoire@exaprobe.com>
- #
- ##
-
- if(description)
- {
- script_id(10144);
- script_version ("$Revision: 1.17 $");
- script_cve_id("CAN-1999-0652");
- name["english"] = "Microsoft SQL TCP/IP listener is running";
- script_name(english:name["english"]);
-
- desc["english"] = "
- Microsoft SQL server is running on this port.
-
- You should never let any unauthorized users establish
- connections to this service.
-
- Solution: Block this port from outside communication
-
- Risk factor : Medium";
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Microsoft's SQL TCP/IP listener is running";
- script_summary(english:summary["english"]);
-
- script_category(ACT_GATHER_INFO);
-
- script_copyright(english:"This script is Copyright (C) 2003 Nicolas Gregoire");
- family["english"] = "Windows";
- script_family(english:family["english"]);
- script_dependencie("find_service.nes", "find_service2.nasl");
-
- exit(0);
- }
-
- include("misc_func.inc");
-
- #
- # The script code starts here
- #
-
- pkt_hdr = raw_string(
- 0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
- );
-
-
- pkt_pt2 = raw_string (
- 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x61, 0x30, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x20, 0x18, 0x81, 0xb8, 0x2c, 0x08, 0x03,
- 0x01, 0x06, 0x0a, 0x09, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x73, 0x71, 0x75, 0x65, 0x6c, 0x64, 0x61,
- 0x20, 0x31, 0x2e, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00
- );
-
- pkt_pt3 = raw_string (
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x4d, 0x53, 0x44,
- 0x42, 0x4c, 0x49, 0x42, 0x00, 0x00, 0x00, 0x07, 0x06, 0x00, 0x00,
- 0x00, 0x00, 0x0d, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
- );
-
- pkt_lang = raw_string(
- 0x02, 0x01, 0x00, 0x47, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x30, 0x00, 0x00,
- 0x00, 0x03, 0x00, 0x00, 0x00
- );
-
- function make_sql_login_pkt (username, password)
- {
- ulen = strlen(username);
- plen = strlen(password);
-
- upad = 30 - ulen;
- ppad = 30 - plen;
-
- ubuf = "";
- pbuf = "";
-
- nul = raw_string(0x00);
-
- # work around a bug in strtoint
- if(ulen)
- {
- ublen = raw_string(ulen);
- } else {
- ublen = raw_string(0x00);
- }
-
- # work around a bug in strtoint
- if(plen)
- {
- pblen = raw_string(plen);
- } else {
- pblen = raw_string(0x00);
- }
-
- ubuf = string(username, crap(data:nul, length:upad));
- pbuf = string(password, crap(data:nul, length:ppad));
-
- sql_packet = string(pkt_hdr,ubuf,ublen,pbuf,pblen,pkt_pt2,pblen,pbuf,pkt_pt3);
-
- # returning this as a string is NOT working!
- return sql_packet;
- }
-
-
-
-
-
-
- function check(port)
- {
- if(get_port_state(port))
- {
- soc = open_sock_tcp(port);
- if(soc)
- {
- # this creates a variable called sql_packet
- sql_packet = make_sql_login_pkt(username:"Nessus-Test-User", password:crap(20));
- send(socket:soc, data:sql_packet);
- send(socket:soc, data:pkt_lang);
- r = recv(socket:soc, length:4096);
- close(soc);
-
- if("'Nessus-Test-User'" >< r)
- {
- security_note(port);
- register_service(port:port, proto:"mssql");
- return(1);
- }
-
- }
- }
- }
-
-
- check(port:1433);
- port = get_kb_item("Services/unknown");
- if (port && (port != 1433) ) check(port:port);
-