CVE-2018-10896 The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "ssh_deletekeys: 0", disabling cloud-init's deletion of ssh host keys. In some environments, this could lead to instances....
HighCVSS 7.1
EPSS 0.37%
- Published
- Updated
- Exploit status
- No public exploit known
Description
The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "ssh_deletekeys: 0", disabling cloud-init's deletion of ssh host keys. In some environments, this could lead to instances created by cloning a golden master or template system, sharing ssh host keys, and being able to impersonate one another or conduct man-in-the-middle attacks.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Canonical cloud-init | >= 0.6.2, < 18.4 | 18.4 |
| Canonical cloud-init | = 0.6.2 | No fix listed |
References
- bugs.launchpad.net patch third-party-advisory
- bugzilla.redhat.com issue-tracking third-party-advisory
- bugzilla.redhat.com issue-tracking patch third-party-advisory