CVE-2020-12690

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The list of roles provided for an OAuth1 access token is silently ignored. Thus, when an access token is used to request a keystone token, the keystone token contains every role assignment the creator had for the project. This results in the provided keystone token having more role assignments than the creator intended, possibly giving unintended escalated access.

• CWE-613

• http://www.openwall.com/lists/oss-security/2020/05/07/3Mailing List, Third Party Advisory
• https://bugs.launchpad.net/keystone/+bug/1873290Patch, Third Party Advisory
• https://lists.apache.org/thread.html/re237267da268c690df5e1c6ea6a38a7fc11617725e8049490f58a6fa%40%3Ccommits.druid.apache.org%3E
• https://lists.apache.org/thread.html/re4ffc55cd2f1b55a26e07c83b3c22c3fe4bae6054d000a57fb48d8c2%40%3Ccommits.druid.apache.org%3E
• https://security.openstack.org/ossa/OSSA-2020-005.htmlVendor Advisory
• https://usn.ubuntu.com/4480-1/
• https://www.openwall.com/lists/oss-security/2020/05/06/6Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2020/05/07/3Mailing List, Third Party Advisory
• https://bugs.launchpad.net/keystone/+bug/1873290Patch, Third Party Advisory
• https://lists.apache.org/thread.html/re237267da268c690df5e1c6ea6a38a7fc11617725e8049490f58a6fa%40%3Ccommits.druid.apache.org%3E
• https://lists.apache.org/thread.html/re4ffc55cd2f1b55a26e07c83b3c22c3fe4bae6054d000a57fb48d8c2%40%3Ccommits.druid.apache.org%3E
• https://security.openstack.org/ossa/OSSA-2020-005.htmlVendor Advisory
• https://usn.ubuntu.com/4480-1/
• https://www.openwall.com/lists/oss-security/2020/05/06/6Mailing List, Third Party Advisory

Published

May 7, 2020

Last Modified

Jun 17, 2026

Status

Modified

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