USN-4236-3: Libgcrypt vulnerability

USN-4236-3: Libgcrypt vulnerability

libgcrypt11 vulnerability

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

• Ubuntu 14.04 ESM
• Ubuntu 12.04 ESM

Summary

Libgcrypt could be made to expose sensitive information.

Software Description

• libgcrypt11 – LGPL Crypto library

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.

Update instructions

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

Ubuntu 14.04 ESM

libgcrypt11 – 1.5.3-2ubuntu4.6+esm1

Ubuntu 12.04 ESM

libgcrypt11 – 1.5.0-3ubuntu0.9

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

• USN-4236-1
• CVE-2019-13627

Source: USN-4236-3: Libgcrypt vulnerability