CVE-2015-2687 OpenStack Compute (Nova) Improper Access Control
Local users can access unauthorized VM volumes when live migration fails in OpenStack Compute, requiring a patch to enforce proper permissions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-2687?
CVE-2015-2687 is a medium-severity missing authorization vulnerability in n/a, published on 9 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OpenStack Compute (nova) Icehouse, Juno and Havana when live migration fails allows local users to access VM volumes that they would normally not have permissions for.
Weakness: CWE-284
Which versions are affected by CVE-2015-2687?
3 open source packages ship an affected version, including nova. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
nova PyPI | All versions | 15.0.0.0b1 |
nova PyPI | All versions | 15.0.0.0b1 |
nova PyPI | All versions | 15.0.0.0b1 |
Products include Openstack Compute.
How do I fix CVE-2015-2687?
Upgrade nova to 15.0.0.0b1 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2015-2687 being exploited?
There is no known exploitation of CVE-2015-2687 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
- CVE-2014-0167 OpenStack Compute (Nova) allows remote authenticated users to gain privileges via API requests
- CVE-2013-4179 OpenStack Compute (Nova) vulnerable to denial of service via XML Entity Expansion attack
- CVE-2012-2654 OpenStack Compute (Nova) Improper Input Validation
- CVE-2013-4185 OpenStack Nova Denial of Service in network source security groups
Sources
Also known as DEBIAN-CVE-2015-2687, GHSA-97fv-22hc-mrgj, PYSEC-2017-145.