high7.1
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.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Canonical | Cloud-Init | from 0.6.2 before 18.4 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugs.launchpad.net/cloud-init/+bug/1781094
- https://bugzilla.redhat.com/show_bug.cgi?id=1574338
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10896
- https://bugs.launchpad.net/cloud-init/+bug/1781094
- https://bugzilla.redhat.com/show_bug.cgi?id=1574338
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10896