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Ubuntu: USN-1734-1 Moderate: Nova Denial Of Service Risk

ubuntu
Calendar Grey February 21, 2013
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Explore the Nova flaw impacting Ubuntu platforms and essential patch directions for prevention.
Nova could be made to crash if it received specially crafted input.

Summary

Nova could be made to crash if it received specially crafted input.

Software Description:

- nova: OpenStack Compute cloud infrastructure

Details:

Joshua Harlow discovered that Nova would allow XML entity processing. A

remote unauthenticated attacker could exploit this using the Nova API to

cause a denial of service via resource exhaustion. (CVE-2013-1664)

Topics%20covered

Topics Covered

security advisory denial of service update instructions ubuntu nova

Update Instructions

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

Ubuntu 12.10:
  python-nova
2012.2.1+stable-20121212-a99a802e-0ubuntu1.2

Ubuntu 12.04 LTS:
  python-nova
2012.1.3+stable-20120827-4d2a4afe-0ubuntu1.2

Ubuntu 11.10:
  python-nova                     2011.3-0ubuntu6.12

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

References

CVE-2013-1664

Severity
important
Lowest
Low
Medium
High
Critical

=========================================================================Ubuntu Security Notice USN-1734-1

Topics%20covered

Topics Covered

security advisory denial of service update instructions ubuntu nova

Package Information

https://launchpad.net/ubuntu/+source/nova/2012.2.1+stable-20121212-a99a802e-0ubuntu1.2
https://launchpad.net/ubuntu/+source/nova/2012.1.3+stable-20120827-4d2a4afe-0ubuntu1.2
https://launchpad.net/ubuntu/+source/nova/2011.3-0ubuntu6.12

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