USN-2339-1: GnuPG vulnerability

Releases

• Ubuntu 12.04
• Ubuntu 10.04

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.

Update instructions

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

Ubuntu 12.04

• gnupg - 1.4.11-3ubuntu2.7

Ubuntu 10.04

• gnupg - 1.4.10-2ubuntu1.7

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

References

• CVE-2014-5270

Related notices

• USN-2339-2: libgcrypt11-dev, libgcrypt11-udeb, libgcrypt11-doc, libgcrypt11
• USN-2554-1: gpgv, scdaemon, gpgsm, gnupg, gnupg-agent, gpgv2, gnupg2, gpgv-udeb, gnupg-udeb, gnupg-curl