Ubuntu Security Update USN-4236-3: Libgcrypt vulnerability

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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


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