MEDIUM 5.4 PyPI
OpenStack Keystone does not check signature TTL of the EC2 credential auth method
GHSA-rqw2-hhrf-7936 · CVE-2020-12692 · PYSEC-2020-56
Published · Modified
AI SAST
Find this class of vulnerability in your own code
Corgea's AI-native static analysis detects vulnerabilities like this one across your repositories, ranks them by exploitability, and returns review-ready fixes.
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.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-12692
- WEB https://bugs.launchpad.net/keystone/+bug/1872737
- PACKAGE https://github.com/openstack/keystone
- WEB 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
Ready to move
Start Securing
Free, no credit card | First findings in minutes