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Bug#780121: unblock: libgcrypt20/1.6.3-2



Control: tag -1 confirmed

Niels Thykier <niels@thykier.net> (2015-03-14):
> On 2015-03-09 15:22, Andreas Metzler wrote:
> > Package: release.debian.org
> > Severity: normal
> > User: release.debian.org@packages.debian.org
> > Usertags: unblock
> > 
> > Hello,
> > 
> > Please unblock package libgcrypt20. This is bugfix only stable
> > release, taking care of two side-channel vulnerabilities (CVE-2015-0837
> > and CVE-2014-3591):
> > Noteworthy changes in version 1.6.3 (2015-02-27) [C20/A0/R3]
> > ------------------------------------------------
> > 
> >  * Use ciphertext blinding for Elgamal decryption [CVE-2014-3591].
> >    See http://www.cs.tau.ac.il/~tromer/radioexp/ for details.
> > 
> >  * Fixed data-dependent timing variations in modular exponentiation
> >    [related to CVE-2015-0837, Last-Level Cache Side-Channel Attacks
> >    are Practical].
> > 
> >  * Improved asm support for older toolchains.
> > 
> > Find attached the filtered debdiff (| filterdiff -x '*/build-aux/*' -x
> > '*/Makefile.in'  -x '*/configure' -x '*/gcrypt.info*' -x
> > '*/aclocal.m4') versus testing.
> > 
> > thanks, cu Andreas
> > 
> > unblock libgcrypt20/1.6.3-2
> > 
> 
> It is a bit noiser than I liked (especially without your filterdiff),

Indeed (and thanks for the said filterdiff)…

> but ack from RT, CC'ing KiBi for a d-i ack.

No objections, thanks.

Mraw,
KiBi.

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