Ansible before 1.9.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-3908 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 | 7.6 |
|---|---|
| Base Metrics | AV:N/AC:H/Au:N/C:C/I:C/A:C |
| Access Vector | Network |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Storage Console 2 | ansible | Not affected |
| Red Hat OpenStack Platform 10 | ansible | Not affected |
| Red Hat OpenShift Enterprise 3 | ansible | Not affected |
| Red Hat Gluster Storage 3.0 | ansible | Not affected |
Vulmon