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.
Published: 2018-08-01
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-2955 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.
History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00047}

epss

{'score': 0.00033}


Subscriptions

Canonical Cloud-init
Redhat Enterprise Linux Rhel Eus
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-05T07:54:36.167Z

Reserved: 2018-05-09T00:00:00.000Z

Link: CVE-2018-10896

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-08-01T17:29:00.393

Modified: 2024-11-21T03:42:14.903

Link: CVE-2018-10896

cve-icon Redhat

Severity : Low

Publid Date: 2018-07-06T00:00:00Z

Links: CVE-2018-10896 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses