Source: keystone
Version: 2:18.0.0-3
Severity: important
Tags: security upstream
X-Debbugs-Cc: car...@debian.org, Debian Security Team <t...@security.debian.org>

Hi,

The following vulnerability was published for keystone.

CVE-2021-38155[0]:
| OpenStack Keystone 10.x through 16.x before 16.0.2, 17.x before
| 17.0.1, 18.x before 18.0.1, and 19.x before 19.0.1 allows information
| disclosure during account locking (related to PCI DSS features). 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 deployments enabling
| security_compliance.lockout_failure_attempts are affected.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-38155
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38155
[1] https://www.openwall.com/lists/oss-security/2021/08/10/5

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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