USN-1545-1: Nova vulnerability

22 August 2012

Nova could be made to overwrite or corrupt arbitrary files in the compute host file system.

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Releases

Packages

  • nova - OpenStack Compute cloud infrastructure

Details

Padraig Brady discovered that the fix for CVE-2012-3361 was incomplete and
an authenticated user could still corrupt arbitrary files on the host
running Nova. A remote attacker could use this to cause a denial of service
or possibly gain privileges.

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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.

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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