1. Ubuntu Security Notices
  2. USN-3853-1

USN-3853-1: GnuPG vulnerability

Publication date

10 January 2019

Overview

GnuPG could allow unintended access to network services.

Releases

Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.10 cosmic gnupg –  2.2.8-3ubuntu1.1
gpg-wks-client –  2.2.8-3ubuntu1.1
18.04 bionic gnupg –  2.2.4-1ubuntu1.2
gpg-wks-client –  2.2.4-1ubuntu1.2

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References

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