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Sigurnosni nedostatak programskog paketa gnupg

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Ubuntu Security Notice USN-3733-1
August 07, 2018

gnupg vulnerability
==========================================================================

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

– – Ubuntu 16.04 LTS
– – Ubuntu 14.04 LTS

Summary:

GnuPG could be made to expose sensitive information.

Software Description:
– – gnupg: GNU privacy guard – a free PGP replacement

Details:

Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot Bruinderink,
Nadia Heninger, Tanja Lange, Christine van Vredendaal, and Yuval Yarom
discovered that GnuPG is vulnerable to a cache side-channel attack. A local
attacker could use this attack to recover RSA private keys.

Update instructions:

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

Ubuntu 16.04 LTS:
gnupg 1.4.20-1ubuntu3.3
gnupg-curl 1.4.20-1ubuntu3.3
gpgv 1.4.20-1ubuntu3.3

Ubuntu 14.04 LTS:
gnupg 1.4.16-1ubuntu2.6
gnupg-curl 1.4.16-1ubuntu2.6
gpgv 1.4.16-1ubuntu2.6

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

References:
https://usn.ubuntu.com/usn/usn-3733-1
CVE-2017-7526, https://launchpad.net/bugs/1785176

Package Information:
https://launchpad.net/ubuntu/+source/gnupg/1.4.20-1ubuntu3.3
https://launchpad.net/ubuntu/+source/gnupg/1.4.16-1ubuntu2.6

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