USN-3853-1: GnuPG vulnerability
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
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3853-1: GnuPG vulnerability
