USN-3733-2: GnuPG vulnerability
15 August 2018
GnuPG could be made to expose sensitive information.
- gnupg - GNU privacy guard - a free PGP replacement
USN-3733-1 fixed a vulnerability in GnuPG. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot Bruinderink,
Nadia Heninger, Tanja Lange, Christine van Vredendaal, and Yuval Yarom
discovered that GnuPG is vulnerable to a cache side-channel attack. A local
attacker could use this attack to recover RSA private keys.