ossa/ossa/OSSA-2021-003.yaml

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YAML

date: 2021-08-10
id: OSSA-2021-003
title: Account name and UUID oracles in account locking
description: >
Samuel de Medeiros Queiroz with Oi Cloud reported a vulnerability affecting
Keystone account locking. By guessing the name of an account and failing to
authenticate multiple times, any unauthenticated actor could both confirm the
account exists and obtain that account's corresponding UUID, which might be
leveraged for other unrelated attacks. All Keystone deployments enabling
security_compliance.lockout_failure_attempts are affected.
affected-products:
- product: Keystone
version: '>=10.0.0 <16.0.2, >=17.0.0 <17.0.1, >=18.0.0 <18.0.1, >=19.0.0 <19.0.1'
vulnerabilities:
- cve-id: CVE-2021-38155
reporters:
- name: Samuel de Medeiros Queiroz
affiliation: Oi Cloud
reported:
- CVE-2021-38155
issues:
links:
- https://launchpad.net/bugs/1688137
reviews:
xena:
- https://review.opendev.org/759940
wallaby:
- https://review.opendev.org/790440
victoria:
- https://review.opendev.org/790442
ussuri:
- https://review.opendev.org/790443
train:
- https://review.opendev.org/790444