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Date: Fri, 26 Sep 2014 22:06:06 +0200
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: cygwin bash and Shellshock / CVE-2014-6271 & CVE-2014-7169
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On 26/09/2014 21:33, Richard DeFuria wrote:
> Hello,
>
> I downloaded the latest setup and installed the latest packages on my Win8.1
> x64 box.
>
> It seems as though my cygwin bash shell has been patched against
> CVE-2014-6271 as per:
> 	$ env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
> 	bash: warning: x: ignoring function definition attempt
> 	bash: error importing function definition for `x'
> 	this is a test
>
> However, it is still susceptible to CVE-2014-7169 as per:
> 	$ env X='() { (a)=>\' sh -c "echo date"; cat echo
> 	sh: X: line 1: syntax error near unexpected token `='
> 	sh: X: line 1: `'
> 	sh: error importing function definition for `X'
> 	Fri, Sep 26, 2014  3:23:15 PM
>
> That is, the 'original' Shellshock vulnerability is fixed, but not the 'new'
> Shellshock vulnerability.
>
> Is this correct?

https://cygwin.com/ml/cygwin/2014-09/msg00400.html
`

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