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.
{ "nvd_published_at": "2020-05-07T00:15:00Z", "cwe_ids": [ "CWE-311", "CWE-347" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2023-07-13T17:10:16Z" }