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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1659
                        libgcrypt20 security update
                                3 July 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           libgcrypt20
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   Debian GNU/Linux 9
Impact/Access:     Unauthorised Access    -- Existing Account
                   Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-7526  

Original Bulletin: 
   http://www.debian.org/security/2017/dsa-3901

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running libgcrypt20 check for an updated version of the software for
         their operating system.

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Debian Security Advisory DSA-3901-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
July 02, 2017                         https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : libgcrypt20
CVE ID         : CVE-2017-7526

Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot
Bruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal and
Yuval Yarom discovered that Libgcrypt is prone to a local side-channel
attack allowing full key recovery for RSA-1024.

See https://eprint.iacr.org/2017/627 for details.

For the oldstable distribution (jessie), this problem has been fixed
in version 1.6.3-2+deb8u4.

For the stable distribution (stretch), this problem has been fixed in
version 1.7.6-2+deb9u1.

For the testing distribution (buster), this problem has been fixed
in version 1.7.8-1.

For the unstable distribution (sid), this problem has been fixed in
version 1.7.8-1.

We recommend that you upgrade your libgcrypt20 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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