Vulnerability CVE-2013-4463
Published: 2014-02-06

Description:
OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image. NOTE: this issue is due to an incomplete fix for CVE-2013-2096.

Type:

CWE-399

 (Resource Management Errors)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Openstack -> Folsom 
Openstack -> Grizzly 
Openstack -> Havana 

 References:
https://bugs.launchpad.net/nova/+bug/1206081
http://www.ubuntu.com/usn/USN-2247-1
http://www.openwall.com/lists/oss-security/2013/10/31/3
http://rhn.redhat.com/errata/RHSA-2014-0112.html
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