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Message-ID: <20110706065646.GC19469@openwall.com>
Date: Wed, 6 Jul 2011 10:56:46 +0400
From: Solar Designer <solar@...nwall.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: openssl timing attack
On Mon, Jul 04, 2011 at 09:24:23AM +0200, Tomas Hoger wrote:
> On Mon, 4 Jul 2011 02:52:41 +0400 Solar Designer wrote:
>
> > Question to OpenSSL developers: is the patch given in Billy Bob
> > Brumley and Nicola Tuveri's paper "Remote Timing Attacks Are Still
> > Practical" OK to be used by distros? Basically, I am interested in
> > its "review status" by upstream - reviewed and approved, reviewed but
> > not approved for specific reasons, not sufficiently reviewed. (The
> > patch is tiny, but even tiny changes might have non-obvious
> > implications.)
>
> I'm not part of the group you directed this question too, but as I've
> not seen any upstream developer or list in CC...
Yes, I did not CC. Maybe I should have. I thought that we had some
OpenSSL folks in here.
> The fix from the paper was committed in openssl CVS within about a week
> from public disclosure:
>
> http://cvs.openssl.org/chngview?cn=20892
>
> However, there were some concerns raised regarding the extra #ifdef
> wrapping added as part of the commit, which disable the fix by default,
> and the name suggests #ifndef was probably intended:
>
> http://www.mail-archive.com/openssl-dev@openssl.org/msg29283.html
This helps.
Are you dealing with the issue for Red Hat products? Perhaps you have a
Bugzilla entry?
Thank you!
Alexander
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