CVE-2016-8611 Denial of service in openstack-glance

Medium 4.3 Published Updated

Authenticated users can cause denial of service in OpenStack Glance by saturating the database via unlimited image creation requests.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2016-8611?

CVE-2016-8611 is a medium-severity denial of service vulnerability in The Openstack Foundation openstack-glance, published on 31 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in Openstack Glance. No limits are enforced within the Glance image service for both v1 and v2 `/images` API POST method for authenticated users, resulting in possible denial of service attacks through database table saturation.

Weakness: CWE-20, CWE-400

Which versions are affected by CVE-2016-8611?

It affects 1 product.

Linux distribution packages (36)
ardana-ansible SUSE:HPE Helion OpenStack 8All versions8.0+git.1539739656.0ef51c9-3.46.1
ardana-barbican SUSE:HPE Helion OpenStack 8All versions8.0+git.1534266594.8136db7-4.27.2
ardana-cinder SUSE:HPE Helion OpenStack 8All versions8.0+git.1535412193.d9ad231-3.27.2
ardana-cluster SUSE:HPE Helion OpenStack 8All versions8.0+git.1534266734.ec4822f-3.30.2
ardana-cobbler SUSE:HPE Helion OpenStack 8All versions8.0+git.1534780521.780753b-3.29.2
ardana-freezer SUSE:HPE Helion OpenStack 8All versions8.0+git.1534266805.c9ea29b-3.12.2
ardana-glance SUSE:HPE Helion OpenStack 8All versions8.0+git.1537790499.b15fdea-3.8.2
ardana-input-model SUSE:HPE Helion OpenStack 8All versions8.0+git.1539086744.5ae1d6f-3.21.2
ardana-keystone SUSE:HPE Helion OpenStack 8All versions8.0+git.1536100286.ddd8d3e-3.15.2
ardana-mq SUSE:HPE Helion OpenStack 8All versions8.0+git.1534267034.f95e1ec-3.5.2
ardana-neutron SUSE:HPE Helion OpenStack 8All versions8.0+git.1537805998.7898f24-3.21.2
ardana-nova SUSE:HPE Helion OpenStack 8All versions8.0+git.1537895345.35a03a2-3.14.2
ardana-octavia SUSE:HPE Helion OpenStack 8All versions8.0+git.1534267086.b7dbe77-3.8.2
ardana-osconfig SUSE:HPE Helion OpenStack 8All versions8.0+git.1540330973.aab0174-3.27.1
ardana-service SUSE:HPE Helion OpenStack 8All versions8.0+git.1537825617.23552c2-3.14.2
ardana-service-ansible SUSE:HPE Helion OpenStack 8All versions8.0+git.1537806377.25b5d68-3.11.2
ardana-ses SUSE:HPE Helion OpenStack 8All versions8.0+git.1539113493.6631423-1.8.2
ardana-swift SUSE:HPE Helion OpenStack 8All versions8.0+git.1534267211.78fb7e3-3.18.2
ardana-ansible SUSE:OpenStack Cloud 8All versions8.0+git.1539739656.0ef51c9-3.46.1
ardana-barbican SUSE:OpenStack Cloud 8All versions8.0+git.1534266594.8136db7-4.27.2
ardana-cinder SUSE:OpenStack Cloud 8All versions8.0+git.1535412193.d9ad231-3.27.2
ardana-cluster SUSE:OpenStack Cloud 8All versions8.0+git.1534266734.ec4822f-3.30.2
ardana-cobbler SUSE:OpenStack Cloud 8All versions8.0+git.1534780521.780753b-3.29.2
ardana-freezer SUSE:OpenStack Cloud 8All versions8.0+git.1534266805.c9ea29b-3.12.2
ardana-glance SUSE:OpenStack Cloud 8All versions8.0+git.1537790499.b15fdea-3.8.2
ardana-input-model SUSE:OpenStack Cloud 8All versions8.0+git.1539086744.5ae1d6f-3.21.2
ardana-keystone SUSE:OpenStack Cloud 8All versions8.0+git.1536100286.ddd8d3e-3.15.2
ardana-mq SUSE:OpenStack Cloud 8All versions8.0+git.1534267034.f95e1ec-3.5.2
ardana-neutron SUSE:OpenStack Cloud 8All versions8.0+git.1537805998.7898f24-3.21.2
ardana-nova SUSE:OpenStack Cloud 8All versions8.0+git.1537895345.35a03a2-3.14.2
ardana-octavia SUSE:OpenStack Cloud 8All versions8.0+git.1534267086.b7dbe77-3.8.2
ardana-osconfig SUSE:OpenStack Cloud 8All versions8.0+git.1540330973.aab0174-3.27.1
ardana-service SUSE:OpenStack Cloud 8All versions8.0+git.1537825617.23552c2-3.14.2
ardana-service-ansible SUSE:OpenStack Cloud 8All versions8.0+git.1537806377.25b5d68-3.11.2
ardana-ses SUSE:OpenStack Cloud 8All versions8.0+git.1539113493.6631423-1.8.2
ardana-swift SUSE:OpenStack Cloud 8All versions8.0+git.1534267211.78fb7e3-3.18.2

Products include Openstack Glance.

How do I fix CVE-2016-8611?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-8611 being exploited?

There is no known exploitation of CVE-2016-8611 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2016-8611, GHSA-c8qm-3x9v-xjgr, SUSE-RU-2018:3638-1, UBUNTU-CVE-2016-8611.

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