Vulnerability Description
When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Cloud-Init | < 21.2 |
Related Weaknesses (CWE)
References
- https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d8Patch
- https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d8Patch
FAQ
What is CVE-2021-3429?
CVE-2021-3429 is a vulnerability with a CVSS score of 5.5 (MEDIUM). When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could al...
How severe is CVE-2021-3429?
CVE-2021-3429 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3429?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Cloud-Init.