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Ubuntu Security Notice USN-4322-1

Ubuntu Security Notice USN-4322-1
Posted Apr 7, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4322-1 - It was discovered that GnuTLS incorrectly handled randomness when performing DTLS negotiation. A remote attacker could possibly use this issue to obtain sensitive information, contrary to expectations.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2020-11501
SHA-256 | c604a08916d7c999df08f4add90fbb8f80320cec8e486ecca95ea437bf557f3b

Ubuntu Security Notice USN-4322-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4322-1
April 07, 2020

gnutls28 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10

Summary:

GnuTLS could expose sensitive information over the network.

Software Description:
- gnutls28: GNU TLS library

Details:

It was discovered that GnuTLS incorrectly handled randomness when
performing DTLS negotiation. A remote attacker could possibly use this
issue to obtain sensitive information, contrary to expectations.

Update instructions:

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

Ubuntu 19.10:
libgnutls30 3.6.9-5ubuntu1.1

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

References:
https://usn.ubuntu.com/4322-1
CVE-2020-11501

Package Information:
https://launchpad.net/ubuntu/+source/gnutls28/3.6.9-5ubuntu1.1
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