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Sicherheit: Preisgabe von Informationen in GnuPG
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in GnuPG
ID: USN-3733-1
Distribution: Ubuntu
Plattformen: Ubuntu fail
Datum: Di, 7. August 2018, 10:39
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7526
Applikationen: The GNU Privacy Guard

Originalnachricht

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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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