PT-2021-1503 · Unknown · Cloud-Init

Published

2021-12-21

·

Updated

2021-12-21

None

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Name of the Vulnerable Software and Affected Versions: cloud-init versions above 19.2
Description: The issue affects cloud instances that rely on special scripts to run during initialization, including retrieving and installing SSH keys and running user scripts. A problem occurs when configuring static and default routes to the same destination IP, causing route configuration failures. Additionally, the cloud-init service may fail to start after a package update.
Recommendations: For versions above 19.2, consider temporarily disabling the route configuration feature until a patch is available. As a temporary workaround, restrict the use of the cloud-init service to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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Related Identifiers

ALEA-2021:5239

Affected Products

Cloud-Init