CVE-2013-4469
OpenStack Compute (Nova) Denial of service due to improper validation of virtual size of QCOW2 image
EPSS 0.06%
Description
OpenStack Compute (Nova) Folsom, Grizzly, and Havana, when use_cow_images is set to False, does not verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) by transferring an image with a large virtual size that does not contain a large amount of data from Glance. NOTE: this issue is due to an incomplete fix for CVE-2013-2096.
How to fix CVE-2013-4469
To remediate CVE-2013-4469, upgrade the affected package to a fixed version below.
- —upgrade to 2013.2-3 or later
- —upgrade to 12.0.0a0 or later
Is CVE-2013-4469 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2013.2-3
- from 0, < 12.0.0a0