- Vulnerability/
- USN-6042-1
USN-6042-1: Cloud-init vulnerability
First published: Wed Apr 26 2023(Updated: )
James Golovich discovered that sensitive data could be exposed in logs. An attacker could use this information to find hashed passwords and possibly escalate their privilege.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/cloud-init | <23.1.2-0ubuntu0~23.04.1 | 23.1.2-0ubuntu0~23.04.1 |
| Ubuntu | =23.04 | |
| All of | ||
| ubuntu/cloud-init | <23.1.2-0ubuntu0~22.10.1 | 23.1.2-0ubuntu0~22.10.1 |
| Ubuntu | =22.10 | |
| All of | ||
| ubuntu/cloud-init | <23.1.2-0ubuntu0~22.04.1 | 23.1.2-0ubuntu0~22.04.1 |
| Ubuntu | =22.04 | |
| All of | ||
| ubuntu/cloud-init | <23.1.2-0ubuntu0~20.04.1 | 23.1.2-0ubuntu0~20.04.1 |
| Ubuntu | =20.04 | |
| All of | ||
| ubuntu/cloud-init | <23.1.2-0ubuntu0~18.04.1 | 23.1.2-0ubuntu0~18.04.1 |
| Ubuntu | =18.04 | |
| All of | ||
| ubuntu/cloud-init | <21.1-19-gbad84ad4-0ubuntu1~16.04.4 | 21.1-19-gbad84ad4-0ubuntu1~16.04.4 |
| Ubuntu | =16.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2023-1786
- https://bugs.launchpad.net/cloud-init/+bug/2013967
- https://launchpad.net/ubuntu/+source/cloud-init/23.1.2-0ubuntu0~23.04.1
- https://launchpad.net/ubuntu/+source/cloud-init/23.1.2-0ubuntu0~22.10.1
- https://launchpad.net/ubuntu/+source/cloud-init/23.1.2-0ubuntu0~22.04.1
- https://launchpad.net/ubuntu/+source/cloud-init/23.1.2-0ubuntu0~20.04.1
- https://launchpad.net/ubuntu/+source/cloud-init/23.1.2-0ubuntu0~18.04.1
- https://ubuntu.com/security/notices/USN-6042-1 (Advisory)
Frequently Asked Questions
What is the vulnerability ID for this cloud-init vulnerability?
The vulnerability ID for this cloud-init vulnerability is USN-6042-1.
What is the description of the cloud-init vulnerability?
The cloud-init vulnerability allows sensitive data to be exposed in logs, which could potentially be used to find hashed passwords and escalate privileges.
Which software versions are affected by this cloud-init vulnerability?
The cloud-init vulnerability affects versions 23.1.2-0ubuntu0~23.04.1, 23.1.2-0ubuntu0~22.10.1, 23.1.2-0ubuntu0~22.04.1, 23.1.2-0ubuntu0~20.04.1, 23.1.2-0ubuntu0~18.04.1, and 21.1-19-gbad84ad4-0ubuntu1~16.04.4 of cloud-init on Ubuntu.
How can an attacker exploit this cloud-init vulnerability?
An attacker can exploit this cloud-init vulnerability by using the exposed sensitive data in the logs to find hashed passwords and potentially escalate their privilege.
How can I fix the cloud-init vulnerability?
To fix the cloud-init vulnerability, update to version 23.1.2-0ubuntu0~23.04.1 or later using the provided remedy.
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