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Sicherheit: Preisgabe von Informationen in GnuPG (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in GnuPG (Aktualisierung)
ID: USN-3733-2
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 ESM
Datum: Mi, 15. August 2018, 23:34
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7526
Applikationen: The GNU Privacy Guard
Update von: Preisgabe von Informationen in GnuPG

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3733-2
August 15, 2018

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

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

- Ubuntu 12.04 ESM

Summary:

GnuPG could be made to expose sensitive information.

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

Details:

USN-3733-1 fixed a vulnerability in GnuPG. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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 12.04 ESM:
gnupg 1.4.11-3ubuntu2.12
gnupg-curl 1.4.11-3ubuntu2.12
gpgv 1.4.11-3ubuntu2.12

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

References:
https://usn.ubuntu.com/usn/usn-3733-2
https://usn.ubuntu.com/usn/usn-3733-1
CVE-2017-7526
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