python-oslo-middleware before versions 3.8.1, 3.19.1, 3.23.1 is vulnerable to an information disclosure. Software using the CatchError class could include sensitive values in a traceback's error message. System users could exploit this flaw to obtain sensitive information from OpenStack component error logs (for example, keystone tokens).
https://usn.ubuntu.com/3666-1/
https://review.openstack.org/#/c/425734/
https://review.openstack.org/#/c/425732/
https://review.openstack.org/#/c/425730/
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2592
https://bugs.launchpad.net/keystonemiddleware/+bug/1628031
https://access.redhat.com/errata/RHSA-2017:0435
https://access.redhat.com/errata/RHSA-2017:0300
http://www.securityfocus.com/bid/95827
http://rhn.redhat.com/errata/RHSA-2017-0435.html
http://rhn.redhat.com/errata/RHSA-2017-0300.html
http://lists.openstack.org/pipermail/openstack-announce/2017-January/002002.html