CVE-2013-6437
First published: Thu Mar 06 2014(Updated: )
The libvirt driver in OpenStack Compute (Nova) before 2013.2.2 and icehouse before icehouse-2 allows remote authenticated users to cause a denial of service (disk consumption) by creating and deleting instances with unique os_type settings, which triggers the creation of a new ephemeral disk backing file.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenStack Nova | >=2013.1<2013.1.5 | |
| OpenStack Nova | >=2013.2<2013.2.2 | |
| OpenStack Nova | =2014.1-milestone1 | |
| pip/nova | <12.0.0a0 | 12.0.0a0 |
| >=2013.1<2013.1.5 | ||
| >=2013.2<2013.2.2 | ||
| =2014.1-milestone1 |
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Reference Links
- http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html
- http://rhn.redhat.com/errata/RHSA-2014-0231.html
- https://bugs.launchpad.net/nova/+bug/1253980
- https://nvd.nist.gov/vuln/detail/CVE-2013-6437
- https://github.com/openstack/nova/commit/3e451f1bac57d24e47171cffb3ad59bb1610d836
- https://github.com/openstack/nova/commit/6e455cd97f04bf26bbe022be17c57e089cf502f4
- https://github.com/openstack/nova/commit/ca38774ebcf5b67d16c202c8f218c0c433973ca9
- https://github.com/advisories/GHSA-hrv9-4x4c-9jc8 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2013-6437?
CVE-2013-6437 is classified as a medium severity vulnerability due to its potential for causing denial of service by consuming disk space.
How do I fix CVE-2013-6437?
To mitigate CVE-2013-6437, upgrade OpenStack Nova to version 2013.2.2 or later.
Who is affected by CVE-2013-6437?
CVE-2013-6437 affects versions of OpenStack Nova prior to 2013.2.2 and specific milestone releases.
What type of attack does CVE-2013-6437 facilitate?
CVE-2013-6437 facilitates a denial of service attack through excessive disk consumption from instance creation and deletion.
What actions can authenticated users take that trigger CVE-2013-6437?
Authenticated users can cause CVE-2013-6437 by creating and deleting instances with unique os_type settings.
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