==========================================================================
Ubuntu Security Notice USN-4236-2
January 14, 2020
libgcrypt20 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 LTS
Summary:
Libgcrypt could be made to expose sensitive information.
Software Description:
– libgcrypt20: LGPL Crypto library
Details:
USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the
corresponding fix for Ubuntu 16.04 LTS.
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
information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS:
libgcrypt20 1.6.5-2ubuntu0.6
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4236-2
https://usn.ubuntu.com/4236-1
CVE-2019-13627
Package Information:
https://launchpad.net/ubuntu/+source/libgcrypt20/1.6.5-2ubuntu0.6
—–BEGIN PGP SIGNATURE—–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=CSLr
—–END PGP SIGNATURE—–
—