CVE-2020-12692: OpenStack Keystone does not check signature TTL of the EC2 credential auth method
(updated )
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
- bugs.launchpad.net/keystone/+bug/1872737
- github.com/advisories/GHSA-rqw2-hhrf-7936
- github.com/openstack/keystone
- github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2020-56.yaml
- nvd.nist.gov/vuln/detail/CVE-2020-12692
- opendev.org/openstack/keystone/commit/ab89ea749013e7f2c46260f68504f5687763e019
- security.openstack.org/ossa/OSSA-2020-003.html
- usn.ubuntu.com/4480-1
- www.openwall.com/lists/oss-security/2020/05/06/4
Code Behaviors & Features
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