Vulnerability Details : CVE-2013-4463
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.
Vulnerability category: Denial of service
Products affected by CVE-2013-4463
- cpe:2.3:a:openstack:folsom:-:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:grizzly:-:*:*:*:*:*:*:*
- cpe:2.3:a:openstack:havana:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-4463
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-4463
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST |
CWE ids for CVE-2013-4463
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-4463
-
http://rhn.redhat.com/errata/RHSA-2014-0112.html
RHSA-2014:0112 - Security Advisory - Red Hat Customer Portal
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http://www.ubuntu.com/usn/USN-2247-1
USN-2247-1: OpenStack Nova vulnerabilities | Ubuntu security notices
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https://bugs.launchpad.net/nova/+bug/1206081
Bug #1206081 “[OSSA 2013-029] Unchecked qcow2 root disk sizes Do...” : Bugs : OpenStack Compute (nova)
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http://www.openwall.com/lists/oss-security/2013/10/31/3
oss-security - [OSSA 2013-029] Potential Nova denial of service through compressed disk images (CVE-2013-4463, CVE-2013-4469)
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