Re: ghostscript vulnerabilities
Didier Link <[email protected]> Sun, 16 Oct 2016 11:16:44 +0200
| Newsgroups | gmane.comp.gnu.guix.devel,gmane.comp.printing.ghostscript.bugs |
|---|---|
| Message-ID | <[email protected]> |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --xDCbhA718IPxKSsTJXM7I4gM4h8xDWpqm Content-Type: multipart/mixed; boundary="ws44giSFH3wAfhu4HsjITiiRCBbJ1U8WU" From: Didier Link <[email protected]> To: Mark H Weaver <[email protected]>, =?UTF-8?Q?Ludovic_Court=c3=a8s?= <[email protected]> Cc: [email protected], [email protected], [email protected] Message-ID: <[email protected]> Subject: Re: ghostscript vulnerabilities References: <[email protected]> <[email protected]> <[email protected]> <[email protected]> In-Reply-To: <[email protected]> --ws44giSFH3wAfhu4HsjITiiRCBbJ1U8WU Content-Type: multipart/alternative; boundary="------------ED9478D3860690CE1DCD96E6" This is a multi-part message in MIME format. --------------ED9478D3860690CE1DCD96E6 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello all I will review the Mark's patches and apply them for a security release next week. Thanks for your help ! Best regards Didier Le 15/10/2016 =C3=A0 09:36, Mark H Weaver a =C3=A9crit : > [email protected] (Ludovic Court=C3=A8s) writes: > >> Hello Didier and all, >> >> We are wondering about the applicability to GNU Ghostscript of the >> recent vulnerabilities discovered in AGPL Ghostscript: >> >> Alex Vong <[email protected]> skribis: >> >>> Salvatore Bonaccorso <[email protected]> writes: >>> >>>> --------------------------------------------------------------------= ----- >>>> Debian Security Advisory DSA-3691-1 security@debia= n.org >>>> https://www.debian.org/security/ Salvatore Bonac= corso >>>> October 12, 2016 https://www.debian.org/securit= y/faq >>>> --------------------------------------------------------------------= ----- >>>> >>>> Package : ghostscript >>>> CVE ID : CVE-2013-5653 CVE-2016-7976 CVE-2016-7977 CVE-2016-= 7978=20 >>>> 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 arbit= rary >>>> code or information disclosure if a specially crafted Postscript fil= e 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=3D840451 >>> [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=3D1de17a648fa631f0= 074d315bfff0716220ce4880 > > Mark --------------ED9478D3860690CE1DCD96E6 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf= -8"> </head> <body bgcolor=3D"#FFFFFF" text=3D"#000000"> <div class=3D"moz-cite-prefix"><br> Hello all<br> <br> I will review the Mark's patches and apply them for a security release next week.<br> <br> Thanks for your help !<br> <br> Best regards<br> <br> Didier<br> <br> <br> Le 15/10/2016 =C3=A0 09:36, Mark H Weaver a =C3=A9crit=C2=A0:<br> </div> <blockquote class=3D" cite" id=3D"mid_87a8e6jc6q_fsf_netris_org" cite=3D"mid:[email protected]" type=3D"cite"> <pre wrap=3D""><a class=3D"moz-txt-link-abbreviated" href=3D"mailto= :[email protected]">[email protected]</a> (Ludovic Court=C3=A8s) writes: </pre> <blockquote class=3D" cite" id=3D"Cite_4116165" type=3D"cite"> <pre wrap=3D"">Hello Didier and all, We are wondering about the applicability to GNU=C2=A0Ghostscript of the recent vulnerabilities discovered in AGPL=C2=A0Ghostscript: Alex Vong <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:alexvong1995@= gmail.com"><[email protected]></a> skribis: </pre> <blockquote class=3D" cite" id=3D"Cite_6398427" type=3D"cite"> <pre wrap=3D"">Salvatore Bonaccorso <a class=3D"moz-txt-link-rf= c2396E" href=3D"mailto:[email protected]"><[email protected]></a> w= rites: </pre> <blockquote class=3D" cite" id=3D"Cite_2768069" type=3D"cite"> <pre wrap=3D"">----------------------------------------------= --------------------------- Debian Security Advisory DSA-3691-1 <a class=3D"moz-txt= -link-abbreviated" href=3D"mailto:[email protected]">[email protected]= g</a> <a class=3D"moz-txt-link-freetext" href=3D"https://www.debian.org/securit= y/">https://www.debian.org/security/</a> Salvatore Bo= naccorso October 12, 2016 <a class=3D"moz-txt-link-freetext" = href=3D"https://www.debian.org/security/faq">https://www.debian.org/secur= ity/faq</a> -------------------------------------------------------------------------= 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. </pre> </blockquote> </blockquote> <pre wrap=3D"">[...] </pre> <blockquote class=3D" cite" id=3D"Cite_2227641" type=3D"cite"> <pre wrap=3D"">I've checked just now. GNU Ghostscript is also a= ffected 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]: <a class=3D"moz-txt-link-freetext" href=3D"https://bugs.debian.org/c= gi-bin/bugreport.cgi?bug=3D840451">https://bugs.debian.org/cgi-bin/bugrep= ort.cgi?bug=3D840451</a> [1]: <a class=3D"moz-txt-link-freetext" href=3D"http://git.savannah.gnu.o= rg/cgit/ghostscript.git/tree/psi/zht2.c">http://git.savannah.gnu.org/cgit= /ghostscript.git/tree/psi/zht2.c</a> </pre> </blockquote> <pre wrap=3D"">WDYT? Perhaps a new release incorporating the fix= es is in order? </pre> </blockquote> <pre wrap=3D"">FYI, I ported the upstream patches to GNU ghostscrip= t for GNU Guix. You can find them here: <a class=3D"moz-txt-link-freetext" href=3D"http://git.savannah.gnu.org/cg= it/guix.git/commit/?id=3D1de17a648fa631f0074d315bfff0716220ce4880">http:/= /git.savannah.gnu.org/cgit/guix.git/commit/?id=3D1de17a648fa631f0074d315b= fff0716220ce4880</a> Mark </pre> </blockquote> <p><br> </p> </body> </html> --------------ED9478D3860690CE1DCD96E6-- --ws44giSFH3wAfhu4HsjITiiRCBbJ1U8WU-- --xDCbhA718IPxKSsTJXM7I4gM4h8xDWpqm Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQI0BAEBCgAeBQJYA0WCFxxkaWRpZXJAZmFtaWxsZS1saW5rLmZyAAoJELN7uGQS fYWjWe4QAIv+qJXpRMyUe4MFWRHBRvunW7XtN+/vKUuUgjp+U9JoLopUiUSNSmui wA0DGERYESRnOVE7970VSQLJwDAQaauYwo1MfnsVNlJnANv2+z7/RFVX2FLs78jm nAb0+FsulNTyXQB2yDDGaRGdlaLJzqdV9t6EbMbalXDgr/1ycfmmue3778ZcygvK o2PKkVwnpVFGkd/87n9qIWbgSClkzF7KVUF+BcF3HXbn9GxJqpRbYs4/2rfNH+g+ 9l8dMYq8RRIzqVRQEvJ7OSK4Fi0TScAKOpWyTTy7Lo+lwJ4BgKiaX6T0XLOxjTN4 HPZoO/nH+kXnkwc942PyT0igP7b8eAyyheKXgpambC0/yBjNld/Khr8onjwK6EPW QJ1vfDG4iNa97SVsjqCSYOHGxJt+AHp4euEhwQHBD9ZlR2yjwI1raT0ymooH9Gyn eFSrYiELRIs67U3T7xo69LnVmtCTjWx/wYaNIh0+C8McsA0jPAc26eKlgsTH0eeL yiK/t3ye9NT0QcrbQ65BmMWToNK6HnsfF68V8BhXCSj8P9Ygj+2O2SBJ3sVeOsVR A680CzD8FcsUTG54EKiNo4QQOkLwCwZgcJCsgemTMVsa+HHW/o2ckzHfs4S0V/Wn unia7I0krHq9MvabQrnEEzeVz8GBbFettGIRVRSTVcXXTkMSt7pu =51wy -----END PGP SIGNATURE----- --xDCbhA718IPxKSsTJXM7I4gM4h8xDWpqm--