Vulnerability Details : CVE-2013-6437
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2013-6437
Probability of exploitation activity in the next 30 days: 0.21%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 58 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-6437
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST |
CWE ids for CVE-2013-6437
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Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-6437
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http://rhn.redhat.com/errata/RHSA-2014-0231.html
RHSA-2014:0231 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://bugs.launchpad.net/nova/+bug/1253980
Bug #1253980 “[OSSA 2013-037] DoS attack via setting os_type in ...” : Bugs : OpenStack Compute (nova)Third Party Advisory
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http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html
OpenStack Open Source Cloud Computing Software » Message: [openstack-announce] [OSSA 2013-037] Nova compute DoS through ephemeral disk backing files (CVE-2013-6437)Patch;Vendor Advisory
Products affected by CVE-2013-6437
- cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:nova:2014.1:milestone1:*:*:*:*:*:*