USN-2339-2: Libgcrypt vulnerability
3 September 2014
Libgcrypt could expose sensitive information when performing decryption.
Releases
Packages
- libgcrypt11 - LGPL Crypto library
Details
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.
References
Related notices
- USN-2339-1: gnupg
- USN-2554-1: gnupg, gnupg-udeb, gnupg-curl, gpgv, gpgsm, gpgv-udeb, gpgv2, gnupg2, gnupg-agent, scdaemon