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ESB-2016.0356 - [UNIX/Linux][Debian] libgcrypt20: Access privileged data - Remote/unauthenticated

Date: 15 February 2016
References: ESB-2016.0393  

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Click here for PGP verifiable version
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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0356
                        libgcrypt20 security update
                             15 February 2016

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

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

Product:           libgcrypt20
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Access Privileged Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-7511  

Original Bulletin: 
   http://www.debian.org/security/2016/dsa-3474

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-3474-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
February 12, 2016                     https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : libgcrypt20
CVE ID         : CVE-2015-7511

Daniel Genkin, Lev Pachmanov, Itamar Pipman and Eran Tromer discovered
that the ECDH secret decryption keys in applications using the
libgcrypt20 library could be leaked via a side-channel attack.

See https://www.cs.tau.ac.IL/~tromer/ecdh/ for details.

For the stable distribution (jessie), this problem has been fixed in
version 1.6.3-2+deb8u1.

For the unstable distribution (sid), this problem has been fixed in
version 1.6.5-2.

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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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