[DRE-maint] Bug#903980: ruby-doorkeeper: CVE-2018-1000211: Public apps can't revoke OAuth access & refresh tokens in Doorkeeper

[Salvatore Bonaccorso]

Source: ruby-doorkeeper
Version: 4.2.0-1
Severity: grave
Tags: security upstream
Forwarded: https://github.com/doorkeeper-gem/doorkeeper/issues/891

Hi,

The following vulnerability was published for ruby-doorkeeper.

CVE-2018-1000211[0]:
| Doorkeeper version 4.2.0 and later contains a Incorrect Access Control
| vulnerability in Token revocation API's authorized method that can
| result in Access tokens are not revoked for public OAuth apps, leaking
| access until expiry.

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-2018-1000211
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000211
[1] https://github.com/doorkeeper-gem/doorkeeper/issues/891

Regards,
Salvatore