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Re: ghostscript vulnerabilities
From: |
Mark H Weaver |
Subject: |
Re: ghostscript vulnerabilities |
Date: |
Sat, 15 Oct 2016 03:36:45 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
address@hidden (Ludovic Courtès) writes:
> Hello Didier and all,
>
> We are wondering about the applicability to GNU Ghostscript of the
> recent vulnerabilities discovered in AGPL Ghostscript:
>
> Alex Vong <address@hidden> skribis:
>
>> Salvatore Bonaccorso <address@hidden> writes:
>>
>>> -------------------------------------------------------------------------
>>> Debian Security Advisory DSA-3691-1 address@hidden
>>> https://www.debian.org/security/ Salvatore Bonaccorso
>>> October 12, 2016 https://www.debian.org/security/faq
>>> -------------------------------------------------------------------------
>>>
>>> Package : ghostscript
>>> CVE ID : CVE-2013-5653 CVE-2016-7976 CVE-2016-7977 CVE-2016-7978
>>> CVE-2016-7979 CVE-2016-8602
>>> Debian Bug : 839118 839260 839841 839845 839846 840451
>>>
>>> Several vulnerabilities were discovered in Ghostscript, the GPL
>>> PostScript/PDF interpreter, which may lead to the execution of arbitrary
>>> code or information disclosure if a specially crafted Postscript file is
>>> processed.
>
> [...]
>
>> I've checked just now. GNU Ghostscript is also affected at least by
>> CVE-2016-8602. Looking at the patch in this bug report[0] and the
>> source[1], one can see that the vulnerable lines are present in GNU
>> Ghostscript. What should we do now?
>>
>> [0]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=840451
>> [1]: http://git.savannah.gnu.org/cgit/ghostscript.git/tree/psi/zht2.c
>
> WDYT? Perhaps a new release incorporating the fixes is in order?
FYI, I ported the upstream patches to GNU ghostscript for GNU Guix.
You can find them here:
http://git.savannah.gnu.org/cgit/guix.git/commit/?id=1de17a648fa631f0074d315bfff0716220ce4880
Mark