CVE-2021-3429

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Canonical Ltd.cloud-init0 < 21.2affected

Weaknesses

  • CWE-532: CWE-532

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References