CVE-2020-12692: Medium severity Openstack Keystone vulnerability
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2020-12692?
The severity of CVE-2020-12692 is medium.
How does the EC2 API vulnerability in CVE-2020-12692 affect OpenStack Keystone?
The EC2 API vulnerability in CVE-2020-12692 allows an attacker to reissue an OpenStack token an unlimited number of times.
Which versions of OpenStack Keystone are affected by CVE-2020-12692?
OpenStack Keystone versions before 15.0.1 and 16.0.0 are affected by CVE-2020-12692.
How can I fix the vulnerability in OpenStack Keystone?
To fix the vulnerability in OpenStack Keystone, you should update to version 15.0.1 or 16.0.0.
Where can I find more information about CVE-2020-12692?
More information about CVE-2020-12692 can be found at the following references: [Reference 1](http://www.openwall.com/lists/oss-security/2020/05/07/1), [Reference 2](https://bugs.launchpad.net/keystone/+bug/1872737), [Reference 3](https://security.openstack.org/ossa/OSSA-2020-003.html).