CVE-2014-5356 OpenStack Glance improper validation of the image_size_cap configuration option
Authenticated users can cause disk exhaustion and denial of service by uploading large images when image size limits are not properly enforced.
- 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-2014-5356?
CVE-2014-5356 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 25 Aug 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenStack Image Registry and Delivery Service (Glance) before 2013.2.4, 2014.x before 2014.1.3, and Juno before Juno-3, when using the V2 API, does not properly enforce the image_size_cap configuration option, which allows remote authenticated users to cause a denial of service (disk consumption) by uploading a large image.
Weakness: CWE-264
Which versions are affected by CVE-2014-5356?
3 open source packages ship an affected version, including glance. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
glance PyPI | All versions | 11.0.0a0 |
glance PyPI | All versions | 11.0.0a0 |
glance PyPI | All versions | 11.0.0a0 |
Linux distribution packages (9)
openstack-glance Red Hat:openstack:4::el6 | All versions | 0:2013.2.4-1.el6ost |
openstack-glance-doc Red Hat:openstack:4::el6 | All versions | 0:2013.2.4-1.el6ost |
python-glance Red Hat:openstack:4::el6 | All versions | 0:2013.2.4-1.el6ost |
openstack-glance Red Hat:openstack:5::el6 | All versions | 0:2014.1.2-5.el6ost |
openstack-glance-doc Red Hat:openstack:5::el6 | All versions | 0:2014.1.2-5.el6ost |
python-glance Red Hat:openstack:5::el6 | All versions | 0:2014.1.2-5.el6ost |
openstack-glance Red Hat:openstack:5::el7 | All versions | 0:2014.1.2-3.el7ost |
openstack-glance-doc Red Hat:openstack:5::el7 | All versions | 0:2014.1.2-3.el7ost |
python-glance Red Hat:openstack:5::el7 | All versions | 0:2014.1.2-3.el7ost |
Products include Canonical Ubuntu Linux, Openstack Image Registry and Delivery Service \(Glance\).
How do I fix CVE-2014-5356?
Upgrade glance to 11.0.0a0 or later.
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-2014-5356 being exploited?
There is no known exploitation of CVE-2014-5356 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2014-5356, GHSA-479j-jf2p-38pg, PYSEC-2026-810, RHSA-2014:1337, RHSA-2014:1338, RHSA-2014:1685 and 2 more.