{"id":"PYSEC-2020-56","details":"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.","aliases":["CVE-2020-12692","GHSA-rqw2-hhrf-7936"],"modified":"2023-11-01T05:44:39.642154Z","published":"2020-05-07T00:15:00Z","references":[{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2020/05/06/4"},{"type":"WEB","url":"https://bugs.launchpad.net/keystone/+bug/1872737"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2020/05/07/1"},{"type":"WEB","url":"https://security.openstack.org/ossa/OSSA-2020-003.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4480-1/"}],"affected":[{"package":{"name":"keystone","ecosystem":"PyPI","purl":"pkg:pypi/keystone"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.0.1"}]}],"versions":["12.0.2","12.0.3","13.0.2","13.0.3","13.0.4","14.0.0","14.0.1","14.1.0","14.2.0","15.0.0.0rc1","15.0.0.0rc2","15.0.0"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/keystone/PYSEC-2020-56.yaml"}}],"schema_version":"1.7.3"}