Re: another redirect bug, invalid location header field

[David Fifield <david () bamsoftware com>]

On Fri, Mar 01, 2013 at 01:27:15PM +0000, Robin Wood wrote:
> I just hit another bug in the redirect code, scanning india-forums.com I
> got the following error:
>
> NSE: http-tracker_tracking against 173.248.143.140:80 threw an error!
> /usr/bin/../share/nmap/nselib/http.lua:941: attempt to concatenate local
> 'port' (a nil value)
> stack traceback:
>         /usr/bin/../share/nmap/nselib/http.lua:941: in function
> 'lookup_cache'
>         /usr/bin/../share/nmap/nselib/http.lua:1384: in function 'get'
>         http-tracker_tracking.nse:65: in function
> <http-tracker_tracking.nse:59>
>         (tail call): ?
>
> I think this is probably because their header location field isn't a valid
> URL:
>
> Location: //www.india-forums.com/

I hit this recently too--it's already fixed in r30589. You will want to
use at least r30593 if you're doing lots of scans that have redirects.

David Fifield
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