** Changed in: keystone
Status: Won't Fix => In Progress
** Changed in: keystone
Assignee: Adam Young (ayoung) => Brant Knudson (blk-u)
** Changed in: keystonemiddleware
Status: Won't Fix => In Progress
** Changed in: keystonemiddleware
Assignee: Adam Young (ayoung) => Brant Knudson (blk-u)
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Engineering Team, which is subscribed to OpenStack Identity (keystone).
https://bugs.launchpad.net/bugs/1490804
Title:
PKI Token Revocation Bypass (CVE-2015-7546)
Status in django-openstack-auth:
Invalid
Status in OpenStack Identity (keystone):
In Progress
Status in keystonemiddleware:
In Progress
Status in OpenStack Security Advisory:
Incomplete
Status in OpenStack Security Notes:
New
Status in python-keystoneclient:
Won't Fix
Bug description:
A keystone token which has been revoked can still be used by manipulating
particular byte fields within the token.
When a Keystone token is revoked it is added to the revoked list which stores
the exact token value. Any API will look at the token to see whether or not it
should accept a token. By changing a single byte within the token, the
revocation can be bypassed. see the testing script [1].
It is suggested that the revocation should be changed to only check
the token's inner ID.
[1] http://paste.openstack.org/show/436516/
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