PublicDateAtUSN: 2020-05-07 00:15:00 UTC
Candidate: CVE-2020-12690
PublicDate: 2020-05-07 00:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12690
 https://www.openwall.com/lists/oss-security/2020/05/06/6
 https://ubuntu.com/security/notices/USN-4480-1
Description:
 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. This results in the provided keystone token having more role
 assignments than the creator intended, possibly giving unintended escalated
 access.
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
 https://bugs.launchpad.net/keystone/+bug/1873290
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H [8.8 HIGH]


Patches_keystone:
 upstream: https://opendev.org/openstack/keystone/commit/7653847a04e56555b8d172a3d5c76a95533cdec7 (pike)
 upstream: https://opendev.org/openstack/keystone/commit/fac58fdfbe31a5b93ef65b70927b3df632c689c9 (queens)
upstream_keystone: released (13.0.4,15.0.1,16.0.0)
precise/esm_keystone: DNE
trusty_keystone: ignored (out of standard support)
trusty/esm_keystone: DNE
xenial_keystone: ignored (end of standard support, was needed)
esm-infra/xenial_keystone: needed
bionic_keystone: released (2:13.0.4-0ubuntu1)
eoan_keystone: ignored (reached end-of-life)
focal_keystone: not-affected (2:17.0.0-0ubuntu0.20.04.1)
groovy_keystone: not-affected (2:18.0.0~b2~git2020073017.b187dfd05-0ubuntu1)
hirsute_keystone: not-affected (2:18.0.0~b2~git2020073017.b187dfd05-0ubuntu1)
impish_keystone: not-affected (2:18.0.0~b2~git2020073017.b187dfd05-0ubuntu1)
jammy_keystone: not-affected (2:18.0.0~b2~git2020073017.b187dfd05-0ubuntu1)
devel_keystone: not-affected (2:18.0.0~b2~git2020073017.b187dfd05-0ubuntu1)