[USN-3689-2] Libgcrypt vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Tue Jun 19 17:49:03 UTC 2018
==========================================================================
Ubuntu Security Notice USN-3689-2
June 19, 2018
libgcrypt11 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Libgcrypt could be made to expose sensitive information.
Software Description:
- libgcrypt11: LGPL Crypto library
Details:
USN-3689-1 fixed a vulnerability in Libgcrypt. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Keegan Ryan discovered that Libgcrypt was susceptible to a side-
channel attack. A local attacker could possibly use this attack to
recover ECDSA private keys.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
libgcrypt11 1.5.0-3ubuntu0.8
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3689-2
https://usn.ubuntu.com/usn/usn-3689-1
CVE-2018-0495
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