USN-5503-2: GnuPG vulnerability

Publication date

12 July 2022

Overview

GnuPG could allow forged signatures.


Packages

  • gnupg - GNU privacy guard - a free PGP replacement
  • gnupg2 - GNU privacy guard - a free PGP replacement

Details

USN-5503-1 fixed a vulnerability in GnuPG. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Demi Marie Obenour discovered that GnuPG incorrectly handled injection in
the status message. A remote attacker could possibly use this issue to
forge signatures.

USN-5503-1 fixed a vulnerability in GnuPG. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Demi Marie Obenour discovered that GnuPG incorrectly handled injection in
the status message. A remote attacker could possibly use this issue to
forge signatures.

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
16.04 xenial gnupg2 –  2.1.11-6ubuntu2.1+esm1  
gnupg –  1.4.20-1ubuntu3.3+esm2  
14.04 trusty gnupg –  1.4.16-1ubuntu2.6+esm1  

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