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Message-ID: <20140925013021.GA29104@openwall.com>
Date: Thu, 25 Sep 2014 05:30:21 +0400
From: Solar Designer <solar@...nwall.com>
To: oss-security@...ts.openwall.com
Cc: Chet Ramey <chet.ramey@...e.edu>
Subject: Re: CVE-2014-6271: remote code execution through bash
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.)
Alexander
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