wanna cry ransomware patch for samba-4.5.5

Jeremy Allison jra at samba.org
Wed May 17 20:28:06 UTC 2017

On Wed, May 17, 2017 at 12:01:27PM -0700, Yogesh Kulkarni wrote:
> Thanks Jeremy.
> I think that it is possible that an infected SAMBA client ( a windows machine )
> might be able to encrypt the files on the server and 
> affect the files. 
> Is there any way to prevent this from happening ? 

I can't see any way to prevent this. An infected
Windows client is just doing normal file operations
(open/read/write/close) to the Samba server. There's
no way for the server to know these operations are
malicious and indended to encrypt the file data without
the user's consent.

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