CVE-2017-2673 OpenStack Identity service (keystone) Incorrect Authorization
Authenticated federated users can gain administrative roles in OpenStack Keystone due to an authorization flaw in federation configurations.
- 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-2017-2673?
CVE-2017-2673 is a medium-severity missing authorization vulnerability in Redhat Openstack, published on 19 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An authorization-check flaw was discovered in federation configurations of the OpenStack Identity service (keystone). An authenticated federated user could request permissions to a project and unintentionally be granted all related roles including administrative roles.
Weakness: CWE-863
Which versions are affected by CVE-2017-2673?
7 open source packages ship an affected version, including keystone. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
keystone PyPI | From 10.0.0 | 10.0.2 |
keystone PyPI | From 10.0.0 | 10.0.2 |
keystone PyPI | From 11.0.0 | 11.0.1 |
keystone PyPI | From 11.0.0 | 11.0.1 |
keystone PyPI | From 9.0.0 | 10.0.2, 11.0.1 |
keystone PyPI | From 9.0.0 to 9.3.0 | None |
1 more packages
keystone PyPI | From 9.0.0 to 9.3.0 | None |
Linux distribution packages (6)
openstack-keystone Red Hat:openstack:10::el7 | All versions | 1:10.0.1-3.el7ost |
python-keystone Red Hat:openstack:10::el7 | All versions | 1:10.0.1-3.el7ost |
python-keystone-tests Red Hat:openstack:10::el7 | All versions | 1:10.0.1-3.el7ost |
openstack-keystone Red Hat:openstack:9::el7 | All versions | 1:9.3.0-2.el7ost |
python-keystone Red Hat:openstack:9::el7 | All versions | 1:9.3.0-2.el7ost |
python-keystone-tests Red Hat:openstack:9::el7 | All versions | 1:9.3.0-2.el7ost |
Products include Redhat Openstack.
How do I fix CVE-2017-2673?
Upgrade keystone to a fixed version for your release line: 10.0.2 or 11.0.1.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-2673 being exploited?
There is no known exploitation of CVE-2017-2673 in the wild and no public exploit code.
Other vulnerabilities in Redhat Openstack
Sources
Also known as DEBIAN-CVE-2017-2673, GHSA-j36m-hv43-7w7m, PYSEC-2018-152, RHSA-2017:1461, RHSA-2017:1597, UBUNTU-CVE-2017-2673 and 1 more.