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Date: Thu, 25 Sep 2014 07:35:00 +0530
From: Huzaifa Sidhpurwala <huzaifas@...hat.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE-2014-6271: remote code execution through bash

On 09/25/2014 07:07 AM, Chet Ramey wrote:
> 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 <chet.ramey@...e.edu> 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:
>>>>>> https://twitter.com/taviso/status/514887394294652929
>>>>>>
>>>>>> 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.
> 

Please note, We have assigned CVE-2014-3659 to this issue.


-- 
Huzaifa Sidhpurwala / Red Hat Product Security Team

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