Date: Sat, 27 Sep 2014 01:14:41 +0400 From: Solar Designer <solar@...nwall.com> To: oss-security@...ts.openwall.com Cc: chet.ramey@...e.edu Subject: Re: CVE-2014-6271: remote code execution through bash On Thu, Sep 25, 2014 at 07:40:50PM -0400, Chet Ramey wrote: > On 9/25/14, 12:19 PM, Solar Designer wrote: > > > I think Florian's prefix-suffix patch is actually a better way to go > > (right now, unless there's some drawback I am not yet aware of), and at > > a later time function imports should require to be enabled with a > > non-default option. > > Yes, some variant of that will be the next thing to work on. I suggest that you use Florian's prefix-suffix convention as-is (not necessarily the code, but same prefixes and suffixes, so that your official change would be compatible with Florian's patch). This is because multiple distros have adopted Florian's patch already. While we'll be breaking compatibility for function exports/imports across pre-patch and post-patch bash versions anyway, at least you can maintain compatibility between distros' bash packages and your official releases. Alexander
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