GNU bug report logs - #30415
Unzip CVE-2018-1000031 and others

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Leo Famulari <leo <at> famulari.name>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#30415: closed (Unzip CVE-2018-1000031 and others)
Date: Tue, 13 Feb 2018 14:52:01 +0000

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Your message dated Tue, 13 Feb 2018 09:51:35 -0500
with message-id <20180213145135.GB18012 <at> jasmine.lan>
and subject line Re: bug#30415: Unzip CVE-2018-1000031 and others
has caused the debbugs.gnu.org bug report #30415,
regarding Unzip CVE-2018-1000031 and others
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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30415: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=30415
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From: Leo Famulari <leo <at> famulari.name>
To: bug-guix <at> gnu.org
Subject: Unzip CVE-2018-1000031 and others
Date: Sat, 10 Feb 2018 13:57:28 -0500

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We need to fix CVE-2018-1000031, CVE-2018-1000032, CVE-2018-1000033,
CVE-2018-1000034, CVE-2018-1000035 in UnZip:

http://seclists.org/oss-sec/2018/q1/134
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000031 and etc

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From: Leo Famulari <leo <at> famulari.name>
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: 30415-done <at> debbugs.gnu.org
Subject: Re: bug#30415: Unzip CVE-2018-1000031 and others
Date: Tue, 13 Feb 2018 09:51:35 -0500

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On Tue, Feb 13, 2018 at 09:01:44AM +0100, Ricardo Wurmus wrote:
> 
> Hi Leo,
> 
> > The researcher's advisory recommends building UnZip with FORTIFY_SOURCE
> > to reduce the impact of the bug. The attached patch does that.
> […]
> > +                 ;; Mitigate CVE-2018-1000035, an exploitable buffer overflow.
> > +                 ;; This environment variable is recommended in 'unix/Makefile'
> > +                 ;; for passing flags to the C compiler.
> > +                 (setenv "LOCAL_UNZIP" "-D_FORTIFY_SOURCE=1")
> > +                 #t))))))))
> 
> This looks good to me.  Thank you!

Thanks, pushed as 77737e035491112a1e9c7d9a0e6f1e0397a4f930

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