CVE-2014-8333 OpenStack Nova VMware instance leak potentially leading to compute DoS

What is CVE-2014-8333?

CVE-2014-8333 is a medium-severity denial of service vulnerability in Redhat Openstack, published on 31 Oct 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The VMware driver in OpenStack Compute (Nova) before 2014.1.4 allows remote authenticated users to cause a denial of service (disk consumption) by deleting an instance in the resize state.

Weakness: CWE-399

Which versions are affected by CVE-2014-8333?

3 open source packages ship an affected version, including nova. It affects 2 products.

Products include Openstack Nova, Redhat Openstack.

How do I fix CVE-2014-8333?

Upgrade nova to 12.0.0a0 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-2014-8333 being exploited?

There is no known exploitation of CVE-2014-8333 in the wild and no public exploit code.

Other vulnerabilities in Redhat Openstack

• CVE-2017-7214 OpenStack Nova logs sensitive context from notification exceptions Critical 9.8
• CVE-2017-17051 OpenStack Nova DoS by rebuilding the same instance with a new image multiple times High 8.6
• CVE-2020-17376 OpenStack Nova Live migration fails to update persistent domain XML High 8.3
• CVE-2017-18191 OpenStack Nova Denial of service attack on the compute host High 7.5
• CVE-2015-3280 OpenStack Compute (nova) allows remote authenticated users to cause a denial of service Medium 6.8

All Redhat Openstack vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-8333, GHSA-g63p-mfcm-54c4, PYSEC-2026-872.