Vulnerability CVE-2013-6437
Published: 2014-03-06   Modified: 2014-03-07

Description:
The libvirt driver in OpenStack Compute (Nova) before 2013.2.2 and icehouse before icehouse-2 allows remote authenticated users to cause a denial of service (disk consumption) by creating and deleting instances with unique os_type settings, which triggers the creation of a new ephemeral disk backing file.

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Openstack -> Compute 
Openstack -> Icehouse 
Openstack -> NOVA 

 References:
http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html
http://rhn.redhat.com/errata/RHSA-2014-0231.html
https://bugs.launchpad.net/nova/+bug/1253980
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