USN-2339-2: Libgcrypt vulnerability

03 September 2014

Libgcrypt could expose sensitive information when performing decryption.



  • libgcrypt11 - LGPL Crypto library


Daniel Genkin, Adi Shamir, and Eran Tromer discovered that Libgcrypt 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

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

Ubuntu 14.04
Ubuntu 12.04
Ubuntu 10.04

In general, a standard system update will make all the necessary changes.


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