CVE-2014-0105

First published: Tue Apr 15 2014(Updated: )

A context confusion vulnerability was identified in Keystone auth_token middleware (shipped in python-keystoneclient) before 0.7.0. By doing repeated requests, with sufficient load on the target system, an authenticated user may in certain situations assume another authenticated user's complete identity and multi-tenant authorizations, potentially resulting in a privilege escalation. Note that it is related to a bad interaction between eventlet and python-memcached that should be avoided if the calling process already monkey-patches "thread" to use eventlet. Only keystone middleware setups using auth_token with memcache are vulnerable.

Credit: secalert@redhat.com secalert@redhat.com

Affected Software	Affected Version	How to fix
Openstack Python-keystoneclient	<=0.4.2
Openstack Python-keystoneclient	=0.2.2
Openstack Python-keystoneclient	=0.2.3
Openstack Python-keystoneclient	=0.2.4
Openstack Python-keystoneclient	=0.3.0
Openstack Python-keystoneclient	=0.3.1
Openstack Python-keystoneclient	=0.3.2

Remedy

http://www.openwall.com/lists/oss-security/2014/03/27/4

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