Date: Tue, 30 Sep 2014 14:54:12 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: Bryan Drewery <bdrewery@FreeBSD.org>, Mike Tancsa <mike@sentex.net> Cc: freebsd-security <freebsd-security@freebsd.org>, freebsd-ports <freebsd-ports@freebsd.org> Subject: Re: bash velnerability Message-ID: <542AFC54.9010405@FreeBSD.org> In-Reply-To: <5429851B.8060500@FreeBSD.org> References: <CAHFU5H5WOnAXuFmfQEGkTvwoECATTCC3eKYE3yts%2BBqh1M_8ww@mail.gmail.com> <00000148ab969845-5940abcc-bb88-4111-8f7f-8671b0d0300b-000000@us-west-2.amazonses.com> <54243F0F.6070904@FreeBSD.org> <54244982.8010002@FreeBSD.org> <16EB2C50-FBBA-4797-83B0-FB340A737238@circl.lu> <542596E3.3070707@FreeBSD.org> <CAHcXP%2Bdx2etYgQPNiAxk2P68Z-4j%2BbTvdMoHfz%2BxKsBDKh9Z9g@mail.gmail.com> <5425999A.3070405@FreeBSD.org> <5425A548.9090306@FreeBSD.org> <5425D427.8090309@FreeBSD.org> <54298266.1090201@sentex.net> <5429851B.8060500@FreeBSD.org>
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On 2014-09-29 12:13:15 -0400, Bryan Drewery wrote: > On 9/29/2014 11:01 AM, Mike Tancsa wrote: >> On 9/26/2014 5:01 PM, Bryan Drewery wrote: >>> On 9/26/2014 12:41 PM, Bryan Drewery wrote: >>>> On 9/26/2014 11:51 AM, Bryan Drewery wrote: >>>>> On 9/26/2014 11:46 AM, Bartek Rutkowski wrote: >>>>>> Apparently, the full fix is still not delivered, accordingly to this: >>>>>> http://seclists.org/oss-sec/2014/q3/741 >>>>>> >>>>>> Kind regards, >>>>>> Bartek Rutkowski >>>>>> >>>>> >>>>> I'm pretty sure they call that a "feature". This is a bit different. >>> >>> I've disabled environment function importing in the port. Using >>> --import-functions will allow it to work if you need it. >> >> Hi Bryan, >> With the latest ports, bashcheck still sees some issues with bash. >> Are these false positives on FreeBSD ? >> >> Using >> https://raw.githubusercontent.com/hannob/bashcheck/master/bashcheck >> >> Not vulnerable to CVE-2014-6271 (original shellshock) >> Not vulnerable to CVE-2014-7169 (taviso bug) >> ./bashcheck: line 18: 54908 Segmentation fault (core dumped) bash >> -c "true $(printf '<<EOF %.0s' {1..79})" 2> /dev/null >> Vulnerable to CVE-2014-7186 (redir_stack bug) >> Test for CVE-2014-7187 not reliable without address sanitizer >> Variable function parser inactive, likely safe from unknown parser bugs >> >> ---Mike > > Yes we have not applied the RedHat fix for CVE-2014-7186 or CVE-2014-7187. Applying the first patch for parse.y from the following post passed the tests for me. http://www.openwall.com/lists/oss-security/2014/09/25/32 In fact, all major Linux distros seem to use it now. FYI, Jung-uk Kim
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