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Date: Fri, 17 Mar 2017 15:54:40 +0100
From: Solar Designer <>
Subject: Re: CVE-2017-3305 - The Riddle vulnerability in MySQL client (public disclosure)

On Fri, Mar 17, 2017 at 11:54:35AM +0100, Pali Roh??r wrote:
> There is a new vulnerability in MySQL client versions 5.5 and 5.6 which 
> is related to SSL/TLS encryption and to older BACKRONYM vulnerability.
> As it is common, new vulnerability should have a name, logo and website. 
> So enjoy the *Riddle* at
> Affected are only Oracle's MySQL clients in all versions 5.5 and 5.6 
> when SSL/TLS encryption is used. Verification of encryption parameters 
> and existence of SSL/TLS layer by MySQL client is done *after* client 
> successfully finish authentication.
> For more details including mitigation, look at Technical section on 
> vulnerability website:

That's very nice, but per oss-security list content guidelines technical
detail should also be included in postings.  Attached as text/plain, for


View attachment "riddle.txt" of type "text/plain" (13283 bytes)

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