CVE-2020-12692

Published: 07 May 2020

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn't have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.

Priority

Medium

CVSS 3 base score: 5.4

Status

Package Release Status
keystone
Launchpad, Ubuntu, Debian
Upstream
Released (13.0.4,15.0.1,16.0.0)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(2:18.0.0~b2~git2020073017.b187dfd05-0ubuntu1)
Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(2:18.0.0~b2~git2020073017.b187dfd05-0ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(2:17.0.0-0ubuntu0.20.04.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2:13.0.4-0ubuntu1)
Ubuntu 16.04 ESM (Xenial Xerus) Needed

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://opendev.org/openstack/keystone/commit/1c1cf556f81058a63ea0bd5138540b0e6795f7a0 (pike)
Upstream: https://opendev.org/openstack/keystone/commit/b25739fa9605cc54bc98325c2a92360ba702e8d8 (queens)