CVE-2013-4278 OpenStack Compute (Nova) Resource limit circumvention in Nova private flavors

What is CVE-2013-4278?

CVE-2013-4278 is a low-severity missing authorization vulnerability in n/a, published on 16 Sep 2013. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The "create an instance" API in OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly enforce the os-flavor-access:is_public property, which allows remote authenticated users to boot arbitrary flavors by guessing the flavor id. NOTE: this issue is due to an incomplete fix for CVE-2013-2256.

Weakness: CWE-264

Which versions are affected by CVE-2013-4278?

3 open source packages ship an affected version, including nova. It affects 1 product.

Products include Openstack Compute.

How do I fix CVE-2013-4278?

Upgrade nova to 12.0.0a0 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2013-4278 being exploited?

There is no known exploitation of CVE-2013-4278 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2013-7130 OpenStack Nova Live migration can leak root disk into ephemeral storage High 7.1
• CVE-2014-0167 OpenStack Compute (Nova) allows remote authenticated users to gain privileges via API requests Medium 6.0
• CVE-2015-2687 OpenStack Compute (Nova) Improper Access Control Medium 4.7
• CVE-2013-4179 OpenStack Compute (Nova) vulnerable to denial of service via XML Entity Expansion attack Medium 4.3
• CVE-2012-2654 OpenStack Compute (Nova) Improper Input Validation Medium 4.3

Sources

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

Also known as DEBIAN-CVE-2013-4278, GHSA-43cm-73px-5v4m, PYSEC-2026-862.