Ubuntu Security Notice USN-1545-1
August 22, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
Nova could be made to overwrite or corrupt arbitrary files in the compute
host file system.
- nova: OpenStack Compute cloud infrastructure
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.
The problem can be corrected by updating your system to the following
Ubuntu 12.04 LTS:
In general, a standard system update will make all the necessary changes.