[OE-core] bash: Fix CVE-2019-18276

[Mittal, Anuj]

On Tue, 2020-02-18 at 15:35 +0000, Richard Purdie wrote:
> On Tue, 2020-02-18 at 10:28 -0500, Chet Ramey wrote:
> > On 2/17/20 9:46 PM, Huo, De wrote:
> > >  I applied the patch to fix CVE defect CVE-2019-18276.
> > 
> > That's not exactly an answer to the question of who produced the
> > patch.
> > If that patch is the one causing failures when it's applied,
> > doesn't it
> > make sense to go back to the person who produced it and ask them to
> > update it if necessary?
> 
> Its likely a general CVE patch where both configure and configure.ac
> are patched. For OE, we can drop the configure part since we
> reautoconf
> the code. Its therefore the OE port of the patch which is likely at
> fault.
> 
> Someone just needs to remove that section of the patch.

There are other issues with this patch which should also be fixed I
think. It has been marked as a Backport while it is not one. The patch
includes changes that are irrelevant to the CVE. And, it should have
gone to master first.

Thanks,

Anuj