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Ubuntu 12.04 LTS USN-1438-1 Critical: Nova Denial Of Service

ubuntu
Calendar Grey May 3, 2012
Scroller Ubuntu
A vulnerability within Ubuntu's Nova may result in system failures in designated scenarios. Immediate update advised.
Nova could be made to crash the system under certain conditions.

Summary

Nova could be made to crash the system under certain conditions.

Software Description:

- nova: OpenStack Compute cloud infrastructure

Details:

Dan Prince discovered that Nova did not enforce quotas for security groups

and rules added to security groups. An authenticated user could exploit

this to cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical update instructions ubuntu nova

Update Instructions

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

Ubuntu 12.04 LTS:
  python-nova                     2012.1-0ubuntu2.1

Ubuntu 11.10:
  python-nova                     2011.3-0ubuntu6.6

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

References

https://ubuntu.com/security/notices/USN-1438-1

CVE-2012-2101

Severity
critical
Lowest
Low
Medium
High
Critical

May 03, 2012

Topics%20covered

Topics Covered

security advisory denial of service critical update instructions ubuntu nova

Package Information

https://launchpad.net/ubuntu/+source/nova/2012.1-0ubuntu2.1
https://launchpad.net/ubuntu/+source/nova/2011.3-0ubuntu6.6

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