Date: Fri, 26 Sep 2014 07:54:48 +0200 From: Yves-Alexis Perez <corsac@...ian.org> To: Marcus Meissner <meissner@...e.de> Cc: oss-security@...ts.openwall.com Subject: Re: nss RSA forgery (CVE-2014-1568) On Thu, Sep 25, 2014 at 12:10:36AM +0200, Marcus Meissner wrote: > On Thu, Sep 25, 2014 at 12:03:21AM +0200, Hanno Böck wrote: > > One serious vuln per day isn't enough, so nss decided to bring us > > another one. > > > > Mozilla reports this: > > https://www.mozilla.org/security/announce/2014/mfsa2014-73.html > > Bugtracker entry still private, so hard to judge about details. > > Interesting: Two independent discoveries (we had the same with > > heartbleed and I couldn't believe this was coincidence). > > > > This is what mcaffee has to say: > > http://blogs.mcafee.com/executive-perspectives/need-know-berserk-mozilla > > > > They say its related to BER/ASN1-parsing, but adam langley disagrees: > > https://twitter.com/agl__/status/514881918110683136 > > > > > > And it seems cyassl had something similar, also found by intel: > > http://www.yassl.com/yaSSL/Blog/Entries/2014/9/12_CyaSSL_3.2.0_Released.html So, according to: http://www.intelsecurity.com/advanced-threat-research/# http://tif.mcafee.com/threats/12817 that's indeed the same (or really close) vulnerability. Can a CVE be assigned? > > > > No real details yet and information seems confusing. > > I also see gnutls posted a new release some days, with this entry without CVE > > http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/7663 > "** libgnutls: Fixed issue with certificates being sanitized by gnutls prior > to signature verification. That resulted to certain non-DER compliant modifications > of valid certificates, being corrected by libtasn1's parser and restructured as > the original. Issue found and reported by Antti Karjalainen and Matti Kamunen from > Codenomicon." > > which smells similar. > When trying to test NSS updates I tried with epiphany browser, which uses gnutls (through libsoup and glib-networking), and it seemed indeed affected. It's apparently fixed in the 3.3 branch at 3.3.8: http://article.gmane.org/gmane.network.gnutls.general/3593 Can a CVE be assigned too? Regards, -- Yves-Alexis Perez Download attachment "signature.asc" of type "application/pgp-signature" (474 bytes)
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