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USN-1466-1: Nova vulnerability

6 June 2012

Nova could be prevented from applying security group policy.

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Releases

Packages

  • nova - OpenStack Compute cloud infrastructure

Details

It was discovered that, when defining security groups in Nova using
the EC2 or OS APIs, specifying the network protocol (e.g. 'TCP') in
the incorrect case would cause the security group to not be applied
correctly. An attacker could use this to bypass Nova security group
restrictions.

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 12.04
Ubuntu 11.10

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

References

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Further reading