Nmap Development mailing list archives

Re: Windows bug in d33tah/ncat-env-ncatins, possibly SSL-related


From: David Fifield <david () bamsoftware com>
Date: Wed, 7 Aug 2013 10:37:52 -0700

On Wed, Aug 07, 2013 at 07:00:16PM +0200, Jacek Wielemborek wrote:
While testing my d33tah/ncat-env-ncatins branch, I noticed a Windows
bug that I have problems tracking down. In order to reproduce it,
compile Ncat from my SVN branch under MSVC and run ncat --ssl --listen
--lua-exec scripts/hello-ncatout.lua. Then, connect to the spawned
server and instead of writing to the server's terminal ("ncatin"),
write to the SSL connection. hello-ncatout.lua will not expect this
and won't read the data, but instead of keeping it in the buffer, it
will fail with the exit code 259. Here's the debug output:

There are some previous threads

"Re: Ncat File Transfer Brokenness"
http://seclists.org/nmap-dev/2010/q1/731
"Re: Cannot forward RDP using ncat"
http://seclists.org/nmap-dev/2010/q3/47

David Fifield
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