Re: nmap 4.0 output error

[Fyodor <fyodor () insecure org>]

On Wed, Feb 08, 2006 at 10:49:56AM -0600, Schneider, Jake wrote:
> I recently came across a bug in nmap v 4.0.
>
> The bug manifests itself when attempting to write output from a scan
> with the -sV option set and the ignored port state for the output is
> defined as PORT_OPENFILTERED.  Nmap will give an error stating that the
> assertion on line 143 of NmapOutputTable.cc in the
> NmapOutputTable::addItem function failed.

Thanks for the report.  I was able to reproduce this, and have
implemented this fix for the next version:

--- service_scan.cc     (revision 3050)
+++ service_scan.cc     (working copy)
@@ -1658,7 +1658,7 @@
   char host[128];
 
   if (svc->port->state == PORT_OPENFILTERED) {
-    svc->port->state = PORT_OPEN;
+    svc->target->ports.addPort(svc->portno, svc->proto, NULL, PORT_OPEN);
 
     if (o.verbose || o.debugging > 1) {
       svc->target->NameIP(host, sizeof(host));

Cheers,
Fyodor


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