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Date: Wed, 24 Feb 2016 13:58:57 -0700
From: Eric Blake <>
Subject: Re: CVE Request: bash-completion: dequote command

On 02/24/2016 12:08 PM, Fernando Muñoz wrote:
> Marcelo Echeverria and Fernando Muñoz discovered that the dequote
> function included in bash-completion allows to execute arbitrary
> commands since it uses the eval function to call printf and perform
> the actual dequoting. bash-completion is included on Debian, Ubuntu
> OpenSuse [1] and probably other distros.

But what is the privilege escalation?  This is no different than
incorrectly using 'eval' in a shell script - you may have buggy code,
and have an easy-to-trigger bug, but if you can't escalate privileges,
how it is a CVE?

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library

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