[USN-5055-1] GNOME grilo vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-5055-1
August 30, 2021

grilo vulnerability
==========================================================================

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

- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

grilo could be made to allow MITM attacks.

Software Description:
- grilo: Framework for discovering and browsing media - GObject introspect

Details:

Michael Catanzaro discovered that grilo incorrectly handled certain TLS
certificate verification. An attacker could possibly use this issue to
MITM attacks.

Update instructions:

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

Ubuntu 21.04:
  libgrilo-0.3-0                  0.3.13-1ubuntu0.1

Ubuntu 20.04 LTS:
  libgrilo-0.3-0                  0.3.12-1ubuntu0.1

Ubuntu 18.04 LTS:
  libgrilo-0.3-0                  0.3.4-1ubuntu0.1

Ubuntu 16.04 ESM:
  libgrilo-0.2-1                  0.2.15-1ubuntu0.1~esm1

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

References:
  https://ubuntu.com/security/notices/USN-5055-1
  CVE-2021-39365

Package Information:
  https://launchpad.net/ubuntu/+source/grilo/0.3.13-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/grilo/0.3.12-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/grilo/0.3.4-1ubuntu0.1
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