Important: openstack-keystone security update

Synopsis

Important: openstack-keystone security update

Type/Severity

Security Advisory: Important

Topic

An update for openstack-keystone is now available for Red Hat OpenStack
Platform 15 (Stein).

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

Description

The OpenStack Identity service (keystone) authenticates and authorizes
OpenStack users by keeping track of users and their permitted activities.
The Identity service supports multiple forms of authentication, including
user name and password credentials, token-based systems, and AWS-style
logins.

Security Fix(es):

• EC2 and credential endpoints are not protected from a scoped context
  (CVE-2020-12689)
  
• OAuth4 request token authorize silently ignores roles parameter
  (CVE-2020-12690)
  
• Credentials endpoint policy logic allows changing credential owner and
  target project ID (CVE-2020-12691)
  
• failure to check signature TTL of the EC2 credential auth method
  (CVE-2020-12692)
  

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.

Solution

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat OpenStack 15 x86_64
• Red Hat OpenStack for IBM Power 15 ppc64le

Fixes

• BZ - 1830384 - CVE-2020-12691 openstack-keystone: Credentials endpoint policy logic allows changing credential owner and target project ID
• BZ - 1830395 - CVE-2020-12690 openstack-keystone: OAuth4 request token authorize silently ignores roles parameter
• BZ - 1830396 - CVE-2020-12689 openstack-keystone: EC2 and credential endpoints are not protected from a scoped context
• BZ - 1833164 - CVE-2020-12692 openstack-keystone: failure to check signature TTL of the EC2 credential auth method

CVEs

• CVE-2020-12689
• CVE-2020-12690
• CVE-2020-12691
• CVE-2020-12692

References

• https://access.redhat.com/security/updates/classification/#important