CVE-2014-0056 OpenStack Neutron Improper Authentication vulnerability

What is CVE-2014-0056?

CVE-2014-0056 is a low-severity missing authorization vulnerability in Canonical Ubuntu Linux, published on 8 May 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The l3-agent in OpenStack Neutron 2012.2 before 2013.2.3 does not check the tenant id when creating ports, which allows remote authenticated users to plug ports into the routers of arbitrary tenants via the device id in a port-create command.

Weakness: CWE-287

Which versions are affected by CVE-2014-0056?

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

Products include Canonical Ubuntu Linux, Openstack Neutron.

How do I fix CVE-2014-0056?

Upgrade neutron to 2013.2.3 or later.

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

Is CVE-2014-0056 being exploited?

There is no known exploitation of CVE-2014-0056 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2014-0056, GHSA-72p9-6gc7-q93r, PYSEC-2026-851.