CVE-2012-5571
MEDIUM5.4EPSS 0.15%OpenStack Keystone intended authorization restrictions bypass
Published: 5/17/2022Modified: 4/28/2026
Description
A flaw was found in OpenStack Keystone. This vulnerability allows remote authenticated users to bypass intended authorization restrictions. This occurs because OpenStack Keystone does not properly handle EC2 (Elastic Compute Cloud) tokens when a user's role has been removed from a tenant. An attacker can leverage a token associated with a removed user role to gain unauthorized access.
Affected packages (2)
- Debian/keystonefrom 0, < 2012.1.1-11
- PyPI/keystonefrom 0, < 8.0.0a0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
References (19)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2012-5571
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2012-5571
- PATCHhttps://github.com/openstack/keystone
- WEBhttp://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html
- WEBhttp://rhn.redhat.com/errata/RHSA-2012-1556.html
- WEBhttp://rhn.redhat.com/errata/RHSA-2012-1557.html
- WEBhttps://access.redhat.com/security/cve/CVE-2012-5571
- WEBhttps://bugs.launchpad.net/keystone/+bug/1064914
- WEBhttp://secunia.com/advisories/51423
- WEBhttp://secunia.com/advisories/51436
- WEBhttps://exchange.xforce.ibmcloud.com/vulnerabilities/80333
- WEBhttps://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b
- WEBhttps://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19
- WEBhttps://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653
- WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2012-35.yaml
- WEBhttp://www.openwall.com/lists/oss-security/2012/11/28/5
- WEBhttp://www.openwall.com/lists/oss-security/2012/11/28/6
- WEBhttp://www.securityfocus.com/bid/56726
- WEBhttp://www.ubuntu.com/usn/USN-1641-1