A libgcrypt20 security update has been released for Ubuntu Linux 16.04 LTS
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Ubuntu Security Notice USN-4236-2
January 14, 2020
libgcrypt20 vulnerability
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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