| Name | CVE-2015-7546 |
| Description | The identity service in OpenStack Identity (Keystone) before 2015.1.3 (Kilo) and 8.0.x before 8.0.2 (Liberty) and keystonemiddleware (formerly python-keystoneclient) before 1.5.4 (Kilo) and Liberty before 2.3.3 does not properly invalidate authorization tokens when using the PKI or PKIZ token providers, which allows remote authenticated users to bypass intended access restrictions and gain access to cloud resources by manipulating byte fields within a revoked token. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| keystone (PTS) | buster | 2:14.2.0-0+deb10u1 | fixed |
| buster (security) | 2:14.2.0-0+deb10u2 | fixed |
| bullseye | 2:18.0.0-3+deb11u1 | fixed |
| bookworm | 2:22.0.0-2 | fixed |
| trixie, sid | 2:25.0.0-1 | fixed |
| python-keystonemiddleware (PTS) | buster | 5.2.0-2 | fixed |
| bullseye | 9.1.0-2 | fixed |
| bookworm | 10.1.0-4 | fixed |
| trixie, sid | 10.6.0-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[jessie] - keystone <no-dsa> (Too intrusive to backport, needs to switch to different token provider)
[wheezy] - keystone <no-dsa> (Too intrusive to backport, needs to switch to different token provider)
[jessie] - python-keystonemiddleware <no-dsa> (Too intrusive to backport, needs to switch to different token provider)
https://wiki.openstack.org/wiki/OSSN/OSSN-0062
Keystone: <= 2015.1.2, >= 8.0.0 <= 8.0.1
Keystonemiddleware: >= 1.5.0 <= 1.5.3, >= 1.6.0 <= 2.3.2