USN-3417-1: Libgcrypt vulnerability

Publication date

14 September 2017

Overview

Libgcrypt could be made to expose sensitive information.

Releases


Packages

Details

Daniel Genkin, Luke Valenta, and Yuval Yarom discovered that Libgcrypt was
susceptible to an attack via side channels. A local attacker could use this
attack to recover Curve25519 private keys.

Daniel Genkin, Luke Valenta, and Yuval Yarom discovered that Libgcrypt was
susceptible to an attack via side channels. A local attacker could use this
attack to recover Curve25519 private keys.

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
17.04 zesty libgcrypt20 –  1.7.6-1ubuntu0.2

Reduce your security exposure

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Have additional questions?

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