CVE-2020-12692

Advisory

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 package

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12692
• https://www.openwall.com/lists/oss-security/2020/05/06/4
• https://bugs.launchpad.net/keystone/+bug/1872737
• http://www.openwall.com/lists/oss-security/2020/05/07/1
• https://security.openstack.org/ossa/OSSA-2020-003.html
• https://usn.ubuntu.com/4480-1/