Security restrictions bypass in OpenStack Keystone - CVE-2018-14432
Published: August 17, 2018 / Updated: August 21, 2018
Vulnerability identifier: #VU14477
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-14432
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Openstack
Affected software:
OpenStack Keystone
OpenStack Keystone
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to bypass security restrictions on the target system.
The vulnerability exists in the Federation component in Keystone with the /v3/OS-FEDERATION endpoint enabled via policy.json due to an error when handling malicious input. A remote attacker can submit authenticated "GET /v3/OS-FEDERATION/projects" request, bypass intended access restrictions on listing projects and discover projects he has no authority to access, leaking all projects in the deployment and their attributes.
How to mitigate CVE-2018-14432
The vulnerability has been fixed in the versions 11.0.4, 12.0.0, and 13.0.0.