Operating System:

[Ubuntu]

Published:

31 August 2021

Protect yourself against future threats.

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2928
                   USN-5055-1: GNOME grilo vulnerability
                              31 August 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           grilo
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Provide Misleading Information -- Remote/Unauthenticated
                   Access Confidential Data       -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-39365  

Reference:         ESB-2021.2915

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-5055-1

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USN-5055-1: GNOME grilo vulnerability
30 August 2021

grilo could be made to allow MITM attacks.
Releases

  o Ubuntu 21.04
  o Ubuntu 20.04 LTS
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 ESM

Packages

  o 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

  o libgrilo-0.3-0 - 0.3.13-1ubuntu0.1

Ubuntu 20.04

  o libgrilo-0.3-0 - 0.3.12-1ubuntu0.1

Ubuntu 18.04

  o libgrilo-0.3-0 - 0.3.4-1ubuntu0.1

Ubuntu 16.04

  o libgrilo-0.2-1 - 0.2.15-1ubuntu0.1~esm1
    Available with UA Infra or UA Desktop

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

References

  o CVE-2021-39365

- --------------------------END INCLUDED TEXT--------------------

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