CVE-2013-4463: OpenStack Nova denial of service through compressed disk images

May 17, 2022 (updated May 14, 2024)

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.

References

bugs.launchpad.net/nova/+bug/1206081
github.com/advisories/GHSA-5644-2v3h-5w4x
github.com/openstack/nova
nvd.nist.gov/vuln/detail/CVE-2013-4463

Code Behaviors & Features

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