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Sicherheit: Preisgabe von Informationen in libgcrypt
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in libgcrypt
ID: USN-2896-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 15.10
Datum: Mo, 15. Februar 2016, 22:58
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7511

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-2896-1
February 15, 2016

libgcrypt11, libgcrypt20 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Libgcrypt could be made to expose sensitive information.

Software Description:
- libgcrypt20: LGPL Crypto library
- libgcrypt11: LGPL Crypto library

Details:

Daniel Genkin, Lev Pachmanov, Itamar Pipman and Eran Tromer discovered
that Libgcrypt was susceptible to an attack via physical side channels. A
local attacker could use this attack to possibly recover private keys.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.10:
libgcrypt20 1.6.3-2ubuntu1.1

Ubuntu 14.04 LTS:
libgcrypt11 1.5.3-2ubuntu4.3

Ubuntu 12.04 LTS:
libgcrypt11 1.5.0-3ubuntu0.5

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2896-1
CVE-2015-7511

Package Information:
https://launchpad.net/ubuntu/+source/libgcrypt20/1.6.3-2ubuntu1.1
https://launchpad.net/ubuntu/+source/libgcrypt11/1.5.3-2ubuntu4.3
https://launchpad.net/ubuntu/+source/libgcrypt11/1.5.0-3ubuntu0.5



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