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- #
- # (C) Tenable Network Security
-
- if(description)
- {
- script_id(11751);
- script_bugtraq_id(7945);
- script_version ("$Revision: 1.6 $");
-
-
- name["english"] = "Dune Web Server Overflow";
- script_name(english:name["english"]);
-
- desc["english"] = "
- The remote host is running a version of the Dune Web server
- which is older than 0.6.8.
-
- There is a flaw in this software which may be exploited by an attacker
- to gain a shell on this host.
-
- Solution : Use another web server or upgrade to Dune 0.6.8
- Risk factor : High";
-
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Checks for Dune Overflow";
-
- script_summary(english:summary["english"]);
-
- script_category(ACT_MIXED_ATTACK);
-
-
- script_copyright(english:"This script is Copyright (C) 2003 Tenable Network Security");
- family["english"] = "CGI abuses";
- script_family(english:family["english"]);
- script_dependencie("find_service.nes", "http_version.nasl");
- script_require_ports("Services/www", 80);
- exit(0);
- }
-
-
- include("http_func.inc");
- include("http_keepalive.inc");
-
-
- port = get_http_port(default:80);
-
-
- if(!get_port_state(port))exit(0);
-
- if( safe_checks() )
- {
- banner = get_http_banner(port:port);
- if( banner == NULL ) exit(0);
-
- if(egrep(pattern:"^Server: Dune/0\.([0-5]\.|6\.[0-7]$)", string:banner))
- {
- security_hole(port);
- }
- exit(0);
- }
-
-
- banner = get_http_banner(port:port);
- if(!banner)exit(0);
- if("Dune/" >!< banner)exit(0);
-
- if(http_is_dead(port:port))exit(0);
-
- req = http_get(item:"/" + crap(51), port:port);
- soc = http_open_socket(port);
- if(!soc)exit(0);
- send(socket:soc, data:req);
- r = http_recv(socket:soc);
- close(soc);
- if(r)
- {
- req = http_get(item:"/~" + crap(50), port:port);
- soc = http_open_socket(port);
- if(!soc)exit(0);
- send(socket:soc, data:req);
- r = http_recv(socket:soc);
- close(soc);
- if(!r)security_hole(port);
- }
-