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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