USN-2059-1: GnuPG vulnerability

Releases

• Ubuntu 13.10
• Ubuntu 13.04
• Ubuntu 12.10
• 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 acoustic
emanations. 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 13.10

• gnupg - 1.4.14-1ubuntu2.1

Ubuntu 13.04

• gnupg - 1.4.12-7ubuntu1.3

Ubuntu 12.10

• gnupg - 1.4.11-3ubuntu4.4

Ubuntu 12.04

• gnupg - 1.4.11-3ubuntu2.5

Ubuntu 10.04

• gnupg - 1.4.10-2ubuntu1.5

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

References

• CVE-2013-4576