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OpenStack Keystone before 15.0.1 Insufficient Session Expiration Vulnerability

Summary

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The list of roles provided for an OAuth1 access token is silently ignored. Thus, when an access token is used to request a keystone token, the keystone token contains every role assignment the creator had for the project. 

Credit:

The information has been provided by Kay

The original article can be found at:https://security.openstack.org/ossa/OSSA-2020-005.html

Details

This results in the provided keystone token having more role assignments than the creator intended, possibly giving unintended escalated access.

Vulnerable Systems:

OpenStack Keystone before 15.0.1

OpenStack Keystone before 16.0.0

CVE Information:

CVE-2020-12690

Disclosure Timeline:
Published Date:5/6/2020

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