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Date: Tue, 17 May 2016 15:48:18 -0400 (EDT)
From: cve-assign@...re.org
To: morgan.fainberg@...il.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: CVE request for vulnerability in OpenStack Keystone

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> Incorrect Audit IDs in Keystone Fernet Tokens can result in
> revocation bypass
> 
> By rescoping a token a user will receive a new
> token without correct audit_ids, these incorrect audit_ids will prevent
> the entire chain of tokens from being revoked properly. This
> vulnerability does not impact revoking a token by its individual
> audit_id. Only deployments with Keystone configured to use Fernet tokens
> are impacted.
> 
> https://launchpad.net/bugs/1577558

>> caused token rescoping to not work because audit ids were never pulled
>> from the original token.

Use CVE-2016-4911.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
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