Date: Tue, 07 Oct 2014 17:37:25 +0200 From: Florian Weimer <fweimer@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: Thoughts on Shellshock and beyond On 10/07/2014 12:21 PM, Hanno Böck wrote: > What class of bug is Shellshock? "Weird feature invented in > pre-Internet era"? How do you conquer this class of bugs? There are two bugs: Calling “eval” on untrusted input (a relatively common issue), and the fact that this particular code path should never have been exposed to the network at all. The second part is not strictly a bash bug, even if we addressed that with a change in bash. If this issue had been discovered when the first CGI-enabled web server was implemented, maybe it would not have been called a bash bug, but a bug in how CGI used environment variables. -- Florian Weimer / Red Hat Product Security
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