nmap's service discovery crashable

[Jacek Wielemborek <d33tah () gmail com>]

Hello,

While trying to trick Nmap into printing non-ASCII characters from the 
payloads in service discovery mode, I stumbled upon a bug. Here's how to 
reproduce it:

ncat -l 31337 -k --sh-exec "/bin/echo -en 
'\x00\x03sok\0.n\0\0\x33\x33\x33\x33\x33\x33\x33\x33'" &

nmap localhost -p 31337 -sV --version-intensity 9

Yours,
Jacek Wielemborek

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