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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2:9.0.0~rc2-1 |
| sid | Fixed | 2:9.0.0~rc2-1 |
| forky | Fixed | 2:9.0.0~rc2-1 |
| bullseye | Fixed | 2:9.0.0~rc2-1 |
| bookworm | Fixed | 2:9.0.0~rc2-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | keystone | >=9.0.0.0b1,<9.0.0.0b2 | 9.0.0.0b2 |
| PyPI | keystonemiddleware | >=2.4.0,<4.1.0 | 4.1.0 |
| PyPI | keystone | >=8.0,<8.1.0 | 8.1.0 |
| PyPI | keystonemiddleware | <1.5.4 | 1.5.4 |
| PyPI | keystonemiddleware | >=1.6.0,<2.3.3 | 2.3.3 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| openstack | keystonemiddleware | {"startIncluding":"1.5.0","endIncluding":"1.5.3"} | |
| openstack | keystone | {"startIncluding":"8.0.0","endExcluding":"8.0.2"} | 8.0.2 |
References
- https://www.suse.com/security/cve/CVE-2015-7546.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securityfocus.com/bid/80498
- https://bugs.launchpad.net/keystone/+bug/1490804
- https://security.openstack.org/ossa/OSSA-2016-005.html
- https://wiki.openstack.org/wiki/OSSN/OSSN-0062
- https://nvd.nist.gov/vuln/detail/CVE-2015-7546
- https://github.com/openstack/keystone/commit/bff03b5726fe5cac93d44a66715eea49b89c8cb0
- https://github.com/openstack/keystone/commit/d5378f173da14a34ca010271477337879002d6d0
- https://github.com/openstack/keystonemiddleware/commit/96ab58e6863c92575ada57615b19652e502adfd8
- https://github.com/pypa/advisory-database/tree/main/vulns/keystonemiddleware/PYSEC-2016-20.yaml
- https://web.archive.org/web/20200228002640/http://www.securityfocus.com/bid/80498
- https://security-tracker.debian.org/tracker/CVE-2015-7546
CWEs
CWE-522
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.