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Date: Wed, 24 Sep 2014 12:06:32 -0400
From: Chet Ramey <chet.ramey@...e.edu>
To: "Alexander E. Patrakov" <patrakov@...il.com>,
oss-security@...ts.openwall.com
CC: chet.ramey@...e.edu
Subject: Re: CVE-2014-6271: remote code execution through bash
On 9/24/14, 12:01 PM, Alexander E. Patrakov wrote:
>> I see no good workaround. Starting the forced command with "unset
>> SSH_ORIGINAL_COMMAND &&" does not help - we'd need to unset the variable
>> before starting bash, not from bash.
>
> Won't installing dash and setting the shell of users who have forced
> commands to dash mitigate this somehow?
Why not install the publicly-available bash patches and rebuild bash?
That's the real solution.
--
``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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