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Date: Wed, 24 Sep 2014 21:37:05 -0400
From: Chet Ramey <>
To: Solar Designer <>,
Subject: Re: CVE-2014-6271: remote code execution through bash

On 9/24/14, 9:30 PM, Solar Designer wrote:
> On Wed, Sep 24, 2014 at 06:26:53PM -0700, Anthony Liguori wrote:
>> On Wed, Sep 24, 2014 at 6:23 PM, Chet Ramey <> wrote:
>>> On 9/24/14, 5:32 PM, Solar Designer wrote:
>>>> On Wed, Sep 24, 2014 at 11:27:09PM +0200, Hanno B??ck wrote:
>>>>> Tavis Ormandy just tweetet this:
>>>>> The bash patch seems incomplete to me, function parsing is still
>>>>> brittle. e.g. $ env X='() { (a)=>\' sh -c "echo date"; cat echo
>>>> Thanks for bringing this to oss-security.  I've added CC to Chet and
>>>> Tavis on this "reply".
>>> I have a fix for this.
>> Can you provide a pointer to the patch?  I put together a patch that
>> changed the report_error() to fatal_error() as I wasn't able to see
>> how to reset the parser state.  Was just about to send it out...
> I think Chet is not on oss-security - we should be CC'ing him where
> appropriate.  (I've added the CC on this reply.)

I haven't sent the patch out.  It's not related to this problem -- this
is just the easiest way to get to that code path -- and I still have
some investigating to do.


``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU

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