Date: Fri, 26 Sep 2014 15:52:01 -0500 From: Bryan Drewery <bdrewery@...eBSD.org> To: oss-security@...ts.openwall.com, chet.ramey@...e.edu CC: Christos Zoulas <christos@...las.com> Subject: Re: Re: Re: CVE-2014-6271: remote code execution through bash (3rd vulnerability) On 9/26/2014 9:13 AM, Christos Zoulas wrote: > On Sep 26, 1:47pm, john.haxby@...cle.com (John Haxby) wrote: > -- Subject: Re: [oss-security] Re: CVE-2014-6271: remote code execution throu > > | It's not so much the known attacks -- redefining ls, unset, command, > | typeset, declare, etc -- it's the future parser bugs that we don't yet > | know about. > | > | A friend of mine said this could be a vulnerability gift that keeps on > | giving. > > I think that at this point the conservative approach is best, so > until the bash author figures what the best solution is, the feature > is disabled by default for NetBSD. It is not wise to expose bash's > parser to the internet and then debug it live while being attacked. > > christos > FreeBSD has taken a similar approach. We have used Christos' patch and disabled the feature by default. https://svnweb.freebsd.org/changeset/ports/369341 Regards, Bryan Drewery Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)
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