Incomplete Fix for Denial of Service Vulnerability in OpenStack Compute (Nova)

CVE-2013-4469 · LOW Severity

AV:L/AC:M/AU:N/C:N/I:N/A:P

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.

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