USN-2339-1: GnuPG vulnerability

Publication date

3 September 2014

Overview

GnuPG could expose sensitive information when performing decryption.


Packages

  • gnupg - GNU privacy guard - a free PGP replacement

Details

Daniel Genkin, Adi Shamir, and Eran Tromer discovered that GnuPG was
susceptible to an adaptive chosen ciphertext attack via physical side
channels. A local attacker could use this attack to possibly recover
private keys.

Daniel Genkin, Adi Shamir, and Eran Tromer discovered that GnuPG was
susceptible to an adaptive chosen ciphertext attack via physical side
channels. A local attacker could use this attack to possibly recover
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
12.04 precise gnupg –  1.4.11-3ubuntu2.7
10.04 lucid gnupg –  1.4.10-2ubuntu1.7

Reduce your security exposure

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Have additional questions?

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