Ubuntu alert USN-4322-1 (gnutls28)

From:
             
 
Marc Deslauriers <marc.deslauriers@canonical.com> 
To:
             
 
"ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> 
Subject:
             
 
[USN-4322-1] GnuTLS vulnerability 
Date:
             
 
Tue, 7 Apr 2020 11:14:59 -0400
Message-ID:
             
 
<aa6b24a2-8d87-3b0f-9490-fb6429a91c0d@canonical.com>
==========================================================================
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/gnutls28/3.6.9-5ubun...

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