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CVE-2018-10896

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CVE-2018-10896

Published: Aug 1, 2018

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.0

4.6

MEDIUM

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.

VendorProductVersions

Canonical

cloud-init

affected
0.6.2

Weaknesses (CWE)

CWE-321

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

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