📄 iis_ida_isapi.nasl
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## This script was written by Matt Moore <matt.moore@westpoint.ltd.uk>## www.westpoint.ltd.uk### Modified by rd to have a language independant pattern matching, thanks# to the remarks from Nicolas Gregoire <ngregoire@exaprobe.com>## See the Nessus Scripts License for details#if(description){ script_id(10695); if(defined_func("script_xref"))script_xref(name:"IAVA", value:"2001-a-0008"); script_bugtraq_id(2880); script_cve_id("CVE-2001-0500"); script_version ("$Revision: 38 $"); name["english"] = "IIS .IDA ISAPI filter applied"; script_name(english:name["english"]); desc["english"] = "Synopsis :Indexing Service filter is enabled on the remote Web server.Description :The IIS server appears to have the .IDA ISAPI filter mapped.At least one remote vulnerability has been discovered for the .IDA(indexing service) filter. This is detailed in Microsoft AdvisoryMS01-033, and gives remote SYSTEM level access to the web server. It is recommended that even if you have patched this vulnerability thatyou unmap the .IDA extension, and any other unused ISAPI extensionsif they are not required for the operation of your site.Solution :To unmap the .IDA extension: 1.Open Internet Services Manager. 2.Right-click the Web server choose Properties from the context menu. 3.Master Properties 4.Select WWW Service -> Edit -> HomeDirectory -> Configuration and remove the reference to .ida from the list.In addition, you may wish to download and install URLSCAN from theMicrosoft Technet web site. URLSCAN, by default, blocks all .idarequests to the IIS server.Risk factor :None / CVSS Base Score : 0 (AV:R/AC:L/Au:NR/C:N/A:N/I:N/B:N)"; script_description(english:desc["english"]); summary["english"] = "Tests for IIS .ida ISAPI filter"; script_summary(english:summary["english"]); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2001 Matt Moore"); family["english"] = "Web Servers"; script_family(english:family["english"]); script_dependencie("find_service.nes", "no404.nasl", "http_version.nasl", "www_fingerprinting_hmap.nasl"); script_require_ports("Services/www", 80); exit(0);}# Check makes a request for NULL.idainclude("http_func.inc");port = get_http_port(default:80);if ( get_kb_item("Services/www/" + port + "/embedded") ) exit(0);sig = get_kb_item("www/hmap/" + port + "/description");if ( sig && "IIS" >!< sig ) exit(0);if(get_port_state(port)){ req = http_get(item:"/NULL.ida", port:port); soc = http_open_socket(port); if(soc) { send(socket:soc, data:req); r = http_recv(socket:soc); http_close_socket(soc); look = strstr(r, "<HTML>"); look = look - string("\r\n"); if(egrep(pattern:"^.*HTML.*IDQ.*NULL\.ida.*$", string:look)) security_note(port); }}⌨️ 快捷键说明
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