Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

Ubuntu 18.04 LTS: USN-4236-1 Moderate: Libgcrypt Timing Attack

ubuntu
Calendar Grey January 13, 2020
Dist Ubuntu Esm H88
A new vulnerability in Libgcrypt has been found, which could enable unauthorized access to sensitive data. Follow the recommended update protocols to protect your systems
Libgcrypt could be made to expose sensitive information.

Summary

Libgcrypt could be made to expose sensitive information.

Software Description:

- libgcrypt20: LGPL Crypto library

Details:

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack.

An attacker could possibly use this attack to recover sensitive

information.

Topics%20covered

Topics Covered

security advisory timing attack information disclosure ubuntu libgcrypt

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.10:
  libgcrypt20                     1.8.4-5ubuntu2.1

Ubuntu 19.04:
  libgcrypt20                     1.8.4-3ubuntu1.1

Ubuntu 18.04 LTS:
  libgcrypt20                     1.8.1-4ubuntu1.2

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

References

https://ubuntu.com/security/notices/USN-4236-1

CVE-2019-13627

Severity
important
Lowest
Low
Medium
High
Critical

January 13, 2020

Topics%20covered

Topics Covered

security advisory timing attack information disclosure ubuntu libgcrypt

Package Information

https://launchpad.net/ubuntu/+source/libgcrypt20/1.8.4-5ubuntu2.1
https://launchpad.net/ubuntu/+source/libgcrypt20/1.8.4-3ubuntu1.1
https://launchpad.net/ubuntu/+source/libgcrypt20/1.8.1-4ubuntu1.2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here