USN-4236-1: Libgcrypt vulnerability
libgcrypt20 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
Summary
Libgcrypt could be made to expose sensitive information.
Software Description
- libgcrypt20 – LGPL Crypto library
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 19.10
- libgcrypt20 – 1.8.4-5ubuntu2.1
- Ubuntu 19.04
- libgcrypt20 – 1.8.4-3ubuntu1.1
- Ubuntu 18.04 LTS
- libgcrypt20 – 1.8.1-4ubuntu1.2
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-4236-1: Libgcrypt vulnerability
