Bug 1830396 (CVE-2020-12689) - CVE-2020-12689 openstack-keystone: EC2 and credential endpoints are not protected from a scoped context
Summary: CVE-2020-12689 openstack-keystone: EC2 and credential endpoints are not prote...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-12689
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1831354 1831355 1831356 1831357 1832399
Blocks: 1830398
TreeView+ depends on / blocked
 
Reported: 2020-05-01 20:03 UTC by Laura Pardo
Modified: 2021-03-22 00:56 UTC (History)
26 users (show)

Fixed In Version: Keystone 15.0.1, Keystone 16.0.1
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in Keystone's EC2 credentials API. This flaw allows any user authenticated within a limited scope (trust/OAuth/application credential) to create an EC2 credential with escalated permissions, for example, obtaining an "admin" role, while the user is on a limited "viewer" role.
Clone Of:
Environment:
Last Closed: 2020-06-24 17:20:28 UTC
Embargoed:

Attachments (Terms of Use)
propossed patch (22.66 KB, application/mbox)
2020-05-01 20:05 UTC, Laura Pardo 		no flags Details
Show Obsolete (1) View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:2732 0 None None None 2020-06-24 12:36:23 UTC
Red Hat Product Errata RHSA-2020:3096 0 None None None 2020-07-22 12:11:59 UTC
Red Hat Product Errata RHSA-2020:3102 0 None None None 2020-07-22 12:40:17 UTC
Red Hat Product Errata RHSA-2020:3105 0 None None None 2020-07-22 12:40:30 UTC

Description Laura Pardo 2020-05-01 20:03:01 UTC 
A vulnerability was found Keystone's EC2 credentials API. Any user authenticated within a limited scope (trust/oauth/application credential) can create an EC2 credential with an escalated permission, such as obtaining "admin" while the user is on a limited "viewer" role.
Comment 1 Laura Pardo 2020-05-01 20:05:07 UTC 
Created attachment 1683826 [details]
propossed patch

Created attachment 1683826 [details]
0001-Respect-token-roles-when-creating-EC2-credentials.patch-master
Comment 4 msiddiqu 2020-05-01 21:37:42 UTC 
References: 
 
https://launchpad.net/bugs/1872735
Comment 12 Nick Tait 2020-05-06 16:36:49 UTC 
Created openstack-keystone tracking bugs for this issue:

Affects: openstack-rdo [bug 1832399]
Comment 16 Nick Tait 2020-05-07 20:13:33 UTC 
External References:

https://security.openstack.org/ossa/OSSA-2020-004.html
Comment 19 Nick Tait 2020-05-14 01:13:23 UTC 
Acknowledgments:

Name: kay (OpenStack)
Comment 20 errata-xmlrpc 2020-06-24 12:36:21 UTC 
This issue has been addressed in the following products:

  Red Hat OpenStack Platform 13.0 (Queens)
  Red Hat OpenStack Platform 13.0 (Queens) for RHEL 7.6 EUS

Via RHSA-2020:2732 https://access.redhat.com/errata/RHSA-2020:2732
Comment 21 Product Security DevOps Team 2020-06-24 17:20:28 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-12689
Comment 22 errata-xmlrpc 2020-07-22 12:11:55 UTC 
This issue has been addressed in the following products:

  Red Hat OpenStack Platform 10.0 (Newton)

Via RHSA-2020:3096 https://access.redhat.com/errata/RHSA-2020:3096
Comment 23 errata-xmlrpc 2020-07-22 12:40:14 UTC 
This issue has been addressed in the following products:

  Red Hat OpenStack Platform 15.0 (Stein)

Via RHSA-2020:3102 https://access.redhat.com/errata/RHSA-2020:3102
Comment 24 errata-xmlrpc 2020-07-22 12:40:28 UTC 
This issue has been addressed in the following products:

  Red Hat OpenStack Platform 16.0 (Train)

Via RHSA-2020:3105 https://access.redhat.com/errata/RHSA-2020:3105
Comment 25 Jason Shepherd 2021-03-22 00:56:36 UTC 
Statement:

Red Hat Quay includes keystone-client, which is not vulnerable to this (server-side) vulnerability.
Note You need to log in before you can comment on or make changes to this bug.