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USN-1772-1: OpenStack Keystone vulnerability

20 March 2013

Under certain configurations, Keystone would allow unintended access over the network.

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Releases

Packages

Details

Guang Yee discovered that Keystone would not always perform all
verification checks when configured to use PKI. If the keystone server was
configured to use PKI and services or users requested online verification,
an attacker could potentially exploit this to bypass revocation checks.
Keystone uses UUID tokens by default in Ubuntu.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.10

In general, a standard system update will make all the necessary changes.

References