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AUSCERT External Security Bulletin Redistribution
OpenStack Keystone vulnerability
12 October 2017
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Modify Permissions -- Existing Account
CVE Names: CVE-2017-2673
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Ubuntu Security Notice USN-3448-1
October 11, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 16.04 LTS
OpenStack Keystone would allow unintended access over the network.
- - keystone: OpenStack identity service
Boris Bobrov discovered that OpenStack Keystone incorrectly handled
federation mapping when there are rules in which group-based assignments
are not used. A remote authenticated user may receive all the roles
assigned to a project regardless of the federation mapping, contrary to
The problem can be corrected by updating your system to the following
Ubuntu 16.04 LTS:
In general, a standard system update will make all the necessary changes.
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