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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | keystone | 2013.2-2 | — |
| Debian 13 | keystone | 2013.2-2 | — |
| Debian 12 | keystone | 2013.2-2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 3 | python-keystone +2 | 2013.1.4-2.el6ost | RHSA-2014:0113 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | keystone | < 8.0.0a0 | 8.0.0a0 | GHSA-f889-wfwm-6p7m |
Advisories 1
- RHSA-2014:0113 Red Hat Security Advisory: openstack-keystone security update Red Hat Security Advisories (RHSA) · Aug 1, 2026
References
- [oss-security] 20131030 [OSSA 2013-028] Unintentional role granting with Keystone LDAP backend (CVE-2013-4477) mailing-list
- USN-2034-1 vendor-advisory
- RHSA-2014:0113 vendor-advisory
- https://bugs.launchpad.net/keystone/+bug/1242855