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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.0043
                USN-4675-1: OpenStack Horizon vulnerability
                              6 January 2021

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

Product:           OpenStack Horizon
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Provide Misleading Information -- Remote with User Interaction
                   Reduced Security               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-29565  

Reference:         ESB-2021.0020
                   ESB-2020.4420.2

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-4675-1

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USN-4675-1: OpenStack Horizon vulnerability
05 January 2021

OpenStack Horizon could be made to redirect to a malicious URL.
Releases

  o Ubuntu 20.04 LTS
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS

Packages

  o horizon - Web interface for OpenStack cloud infrastructure

Details

Pritam Singh discovered that OpenStack Horizon incorrectly validated
certain parameters. An attacker could possibly use this issue to cause
OpenStack Horizon to redirect to a malicious URL.

Update instructions

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

Ubuntu 20.04

  o openstack-dashboard - 3:18.3.2-0ubuntu0.20.04.4

Ubuntu 18.04

  o openstack-dashboard - 3:13.0.3-0ubuntu2

Ubuntu 16.04

  o openstack-dashboard - 2:9.1.2-0ubuntu5.2

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

References

  o CVE-2020-29565

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