OpenStack Nova denial of service through compressed disk images

GHSA-5644-2v3h-5w4x · CVE-2013-4463

Published May 17, 2022 · Modified May 19, 2024

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.

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2013-4463
WEB https://bugs.launchpad.net/nova/+bug/1206081
PACKAGE https://github.com/openstack/nova
WEB http://github.com/openstack/nova/commit/3cdfe894ab58f7b91bf7fb690fc5bc724e44066f
WEB http://github.com/openstack/nova/commit/f6810be4ae1a6c93e7d8017ee67d5344dfdf4a30
WEB http://rhn.redhat.com/errata/RHSA-2014-0112.html
WEB http://www.openwall.com/lists/oss-security/2013/10/31/3
WEB http://www.ubuntu.com/usn/USN-2247-1

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