keystone/middleware/auth_token.py in OpenStack Nova Folsom, Grizzly, and Havana uses an insecure temporary directory for storing signing certificates, which allows local users to spoof servers by pre-creating this directory, which is reused by Nova, as demonstrated using /tmp/keystone-signing-nova on Fedora.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-2030 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 2.1 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:N/C:N/I:P/A:N |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | Partial |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform 2.1 | openstack-nova | Will not fix |
| RHOS Essex Release | openstack-nova | Will not fix |
Vulmon