USN-4236-3: Libgcrypt vulnerability

Publication date

28 January 2020

Overview

Libgcrypt could be made to expose sensitive information.


Packages

Details

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack.
An attacker could possibly use this attack to recover sensitive
information.

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack.
An attacker could possibly use this attack to recover sensitive
information.

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
14.04 trusty libgcrypt11 –  1.5.3-2ubuntu4.6+esm1
12.04 precise libgcrypt11 –  1.5.0-3ubuntu0.9

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