OpenStack Keystone: Access Confidential Data -- Existing Account

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.0373
               USN-4262-1: OpenStack Keystone vulnerability
                              31 January 2020

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

Product:           OpenStack Keystone
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-19687  

Reference:         ESB-2019.4740

Original Bulletin: 
   https://usn.ubuntu.com/4262-1/

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USN-4262-1: OpenStack Keystone vulnerability
30 January 2020

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

  o Ubuntu 19.10

Summary

OpenStack Keystone could be made to expose sensitive information over the
network.

Software Description

  o keystone - OpenStack identity service

Details

Daniel Preussker discovered that OpenStack Keystone incorrectly handled the
list credentials API. A user with a role on the project could use this issue to
view any other user's credentials.

Update instructions

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

Ubuntu 19.10
    keystone - 2:16.0.0-0ubuntu1.1
    python3-keystone - 2:16.0.0-0ubuntu1.1

To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .

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

References

  o CVE-2019-19687

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