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USN-1305-1: Nova vulnerability

13 December 2011

Nova could be made to overwrite files.

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Releases

Packages

  • nova - OpenStack Compute cloud infrastructure

Details

David Black discovered that Nova did not properly perform input validation
during image registration. An attacker could exploit this by registering a
crafted image using the EC2 API or S3/RegisterImage method and overwrite
files as the nova user.

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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 11.10

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

References

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Further reading