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Message-ID: <CA+aC4kvt85eV1pGP6ofsgndBwzv17LFLC12WytDj2EYLjT02Mw@mail.gmail.com>
Date: Wed, 24 Sep 2014 18:26:53 -0700
From: Anthony Liguori <anthony@...emonkey.ws>
To: oss-security@...ts.openwall.com
Subject: Re: CVE-2014-6271: remote code execution through bash
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...
> Chet
> --
> ``The lyf so short, the craft so long to lerne.'' - Chaucer
> ``Ars longa, vita brevis'' - Hippocrates
> Chet Ramey, ITS, CWRU chet@...e.edu http://cnswww.cns.cwru.edu/~chet/
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