GitHub Advisoryadvisory · PyPI
GHSA-rqw2-hhrf-7936 OpenStack Keystone does not check signature TTL of the EC2 credential auth method
MEDIUM
Official page ↗
- Aliases
- CVE-2020-12692
- Ecosystem
- PyPI
- Packages
- keystone
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-311, CWE-347
- Reviewed
- 2023-07-13
Affected packages
• PyPI keystone: >= 16.0.0.0rc1, < 16.0.0 → fixed in 16.0.0
• PyPI keystone: < 15.0.1 → fixed in 15.0.1
Description
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.
Related
Alias · CVE (1)
- CVE-2020-12692 An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. vulnerability
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-12692 advisory
- https://bugs.launchpad.net/keystone/+bug/1872737 web
- https://github.com/openstack/keystone package
- https://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2020-56.yaml web
- https://opendev.org/openstack/keystone/commit/ab89ea749013e7f2c46260f68504f5687763e019 web
- https://security.openstack.org/ossa/OSSA-2020-003.html web
- https://usn.ubuntu.com/4480-1 web
- https://www.openwall.com/lists/oss-security/2020/05/06/4 web
- http://www.openwall.com/lists/oss-security/2020/05/07/1 web