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",
"github_reviewed": true,
"cwe_ids": [
"CWE-311",
"CWE-347"
],
"severity": "MODERATE",
"github_reviewed_at": "2023-07-13T17:10:16Z"
}