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Sicherheit: Cross-Site Request Forgery in GnuPG
Aktuelle Meldungen Distributionen
Name: Cross-Site Request Forgery in GnuPG
ID: USN-3853-1
Distribution: Ubuntu
Plattformen: Ubuntu 18.04 LTS, Ubuntu 18.10
Datum: Do, 10. Januar 2019, 23:23
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000858
Applikationen: The GNU Privacy Guard

Originalnachricht

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <0b358fb2-6fcf-93d0-f017-1a508c1dc64c@canonical.com>
Subject: [USN-3853-1] GnuPG vulnerability

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==========================================================================
Ubuntu Security Notice USN-3853-1
January 10, 2019

gnupg2 vulnerability
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS

Summary:

GnuPG could allow unintended access to network services.

Software Description:
- gnupg2: GNU privacy guard - a free PGP replacement

Details:

Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory
lookups. A remote attacker could possibly use this issue to cause a denial
of service, or perform Cross-Site Request Forgery attacks.

Update instructions:

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

Ubuntu 18.10:
gnupg 2.2.8-3ubuntu1.1
gpg-wks-client 2.2.8-3ubuntu1.1

Ubuntu 18.04 LTS:
gnupg 2.2.4-1ubuntu1.2
gpg-wks-client 2.2.4-1ubuntu1.2

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

References:
https://usn.ubuntu.com/usn/usn-3853-1
CVE-2018-1000858

Package Information:
https://launchpad.net/ubuntu/+source/gnupg2/2.2.8-3ubuntu1.1
https://launchpad.net/ubuntu/+source/gnupg2/2.2.4-1ubuntu1.2


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