Updated openstack-glance packages that fix one security issue are nowavailable for Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse)for RHEL 7.Red Hat Product Security has rated this update as having a Lowsecurity impact.

Common Vulnerability Scoring System (CVSS) base scores,which give detailed severity ratings, are available for each vulnerabilityfrom the CVE links in the References section.
OpenStack Image Service (glance) provides discovery, registration, anddelivery services for disk and server images.

The service provides theability to copy or snapshot a server image, and immediately store it away.Stored images can be used as a template to get new servers up and runningquickly and more consistently than installing a server operating systemand individually configuring additional services.An authorization vulnerability in OpenStack Image service was discovered,which allowed image-status manipulation using locations.

By removing thelast location of an image, an authenticated user could change the statusfrom ‘active’ to ‘queue’.

A malicious tenant could exploit this flaw tosilently replace owned image data, regardless of its original creator orvisibility settings. Only environments with show_multiple_locations setto true (not default) were affected. (CVE-2016-0757)Red Hat would like to thank the OpenStack project for reporting this issue.Upstream acknowledges Erno Kuvaja of HPE as the original reporter.All openstack-glance users are advised to upgrade to these updatedpackages, which address this vulnerability.

1302607 – CVE-2016-0757 openstack-glance: Glance image status manipulation through locations

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