CVE-2013-4477 OpenStack Identity Keystone Privilege Escalation vulnerability
A logic error in OpenStack Keystone's LDAP backend allows local users to gain privileges by attempting to remove a role they do not possess.
- 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-2013-4477?
CVE-2013-4477 is a low-severity vulnerability in n/a, published on 2 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The LDAP backend in OpenStack Identity (Keystone) Grizzly and Havana, when removing a role on a tenant for a user who does not have that role, adds the role to the user, which allows local users to gain privileges.
Weakness: CWE-264
Which versions are affected by CVE-2013-4477?
3 open source packages ship an affected version, including keystone. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
keystone PyPI | All versions | 8.0.0a0 |
keystone PyPI | All versions | 8.0.0a0 |
keystone PyPI | All versions | 8.0.0a0 |
Linux distribution packages (3)
openstack-keystone Red Hat:openstack:3::el6 | All versions | 0:2013.1.4-2.el6ost |
openstack-keystone-doc Red Hat:openstack:3::el6 | All versions | 0:2013.1.4-2.el6ost |
python-keystone Red Hat:openstack:3::el6 | All versions | 0:2013.1.4-2.el6ost |
Products include Openstack Grizzly, Openstack Havana.
How do I fix CVE-2013-4477?
Upgrade keystone to 8.0.0a0 or later.
Is CVE-2013-4477 being exploited?
There is no known exploitation of CVE-2013-4477 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2013-4477, GHSA-f889-wfwm-6p7m, PYSEC-2026-831, RHSA-2014:0113.