USN-5496-1: cloud-init vulnerability

Published Jun 29, 2022
·
Updated

Mike Stroyan discovered that cloud-init could log password hashes when reporting schema failures. An attacker with access to these logs could potentially use this to gain user credentials.

Affected Software

8 affected componentsFixes available
All of the following
ubuntu/cloud-init<22.2-0ubuntu1~22.04.3
22.2-0ubuntu1~22.04.3
Ubuntu Ubuntu=22.04
All of the following
ubuntu/cloud-init<22.2-0ubuntu1~21.10.3
22.2-0ubuntu1~21.10.3
Ubuntu Ubuntu=21.10
All of the following
ubuntu/cloud-init<22.2-0ubuntu1~20.04.3
22.2-0ubuntu1~20.04.3
Ubuntu Ubuntu=20.04
All of the following
ubuntu/cloud-init<22.2-0ubuntu1~18.04.3
22.2-0ubuntu1~18.04.3
Ubuntu Ubuntu=18.04

Event History

Jun 29, 2022
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID for this cloud-init vulnerability?

The vulnerability ID for this cloud-init vulnerability is CVE-2022-2084.

2

What is the severity of CVE-2022-2084?

The severity of CVE-2022-2084 is not specified.

3

How can an attacker exploit CVE-2022-2084?

An attacker with access to cloud-init logs could potentially use CVE-2022-2084 to gain user credentials.

4

Which versions of cloud-init are affected by CVE-2022-2084?

Versions 22.2-0ubuntu1~22.04.3, 22.2-0ubuntu1~21.10.3, 22.2-0ubuntu1~20.04.3, and 22.2-0ubuntu1~18.04.3 of cloud-init are affected by CVE-2022-2084.

5

How do I fix CVE-2022-2084?

To fix CVE-2022-2084, update cloud-init to version 22.2-0ubuntu1~22.04.3, 22.2-0ubuntu1~21.10.3, 22.2-0ubuntu1~20.04.3, or 22.2-0ubuntu1~18.04.3, depending on the Ubuntu version you are using.

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