[USN-4236-3] Libgcrypt vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Tue Jan 28 17:34:32 UTC 2020
Ubuntu Security Notice USN-4236-3
January 28, 2020
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
Libgcrypt could be made to expose sensitive information.
- libgcrypt11: LGPL Crypto library
USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Libgcrypt was susceptible to a ECDSA timing attack.
An attacker could possibly use this attack to recover sensitive
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
Ubuntu 12.04 ESM:
In general, a standard system update will make all the necessary changes.
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