OpenStack Keystone does not check signature TTL of the EC2 credential auth method
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-12692US | medium5.4OT elevated | — | ||
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 Authorizatio… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2020/05/07/1WEB
- https://bugs.launchpad.net/keystone/+bug/1872737WEB
- https://github.com/openstack/keystonePACKAGE
- https://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2020-56.yamlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2020-12692ADVISORY
- https://opendev.org/openstack/keystone/commit/ab89ea749013e7f2c46260f68504f5687763e019WEB
- https://security.openstack.org/ossa/OSSA-2020-003.htmlWEB
- https://usn.ubuntu.com/4480-1WEB
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