Vulnerability Details CVE-2020-12692
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.5%
CVSS Severity
CVSS v3 Score 5.4
CVSS v2 Score 5.5
References
- http://www.openwall.com/lists/oss-security/2020/05/07/1
- https://bugs.launchpad.net/keystone/+bug/1872737
- https://security.openstack.org/ossa/OSSA-2020-003.html
- https://usn.ubuntu.com/4480-1/
- https://www.openwall.com/lists/oss-security/2020/05/06/4
- http://www.openwall.com/lists/oss-security/2020/05/07/1
- https://bugs.launchpad.net/keystone/+bug/1872737
- https://security.openstack.org/ossa/OSSA-2020-003.html
- https://usn.ubuntu.com/4480-1/
- https://www.openwall.com/lists/oss-security/2020/05/06/4
Products affected by CVE-2020-12692
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cpe:2.3:a:openstack:keystone:-
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cpe:2.3:a:openstack:keystone:10.0.0
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cpe:2.3:a:openstack:keystone:10.0.1
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cpe:2.3:a:openstack:keystone:10.0.2
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cpe:2.3:a:openstack:keystone:10.0.3
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cpe:2.3:a:openstack:keystone:11.0.0
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cpe:2.3:a:openstack:keystone:11.0.1
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cpe:2.3:a:openstack:keystone:11.0.2
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cpe:2.3:a:openstack:keystone:11.0.3
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cpe:2.3:a:openstack:keystone:11.0.4
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cpe:2.3:a:openstack:keystone:12.0.0
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cpe:2.3:a:openstack:keystone:12.0.1
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cpe:2.3:a:openstack:keystone:12.0.2
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cpe:2.3:a:openstack:keystone:12.0.3
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cpe:2.3:a:openstack:keystone:13.0.0
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cpe:2.3:a:openstack:keystone:13.0.1
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cpe:2.3:a:openstack:keystone:13.0.2
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cpe:2.3:a:openstack:keystone:14.0.0
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cpe:2.3:a:openstack:keystone:14.0.1
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cpe:2.3:a:openstack:keystone:14.1.0
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cpe:2.3:a:openstack:keystone:15.0.0
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cpe:2.3:a:openstack:keystone:16.0.0
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cpe:2.3:a:openstack:keystone:8.0.0
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cpe:2.3:a:openstack:keystone:8.0.1
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cpe:2.3:a:openstack:keystone:8.0.2
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cpe:2.3:a:openstack:keystone:8.1.0
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cpe:2.3:a:openstack:keystone:8.1.2
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cpe:2.3:a:openstack:keystone:9.0.0
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cpe:2.3:a:openstack:keystone:9.0.1
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cpe:2.3:a:openstack:keystone:9.0.2
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cpe:2.3:a:openstack:keystone:9.1.0
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cpe:2.3:a:openstack:keystone:9.2.0
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cpe:2.3:a:openstack:keystone:9.3.0
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cpe:2.3:o:canonical:ubuntu_linux:18.04