In cloud-init through 19.4, rand_user_password in cloudinit/config/cc_set_passwords.py has a small default pwlen value, which makes it easier for attackers to guess passwords.
The product does not require that users should have strong passwords, which makes it easier for attackers to compromise user accounts.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Cloud-init | Canonical | * | 19.4 (including) |
| Red Hat Enterprise Linux 7 | RedHat | cloud-init-0:19.4-7.el7 | * |
| Red Hat Enterprise Linux 8 | RedHat | cloud-init-0:19.4-11.el8 | * |
| Cloud-init | Ubuntu | bionic | * |
| Cloud-init | Ubuntu | devel | * |
| Cloud-init | Ubuntu | eoan | * |
| Cloud-init | Ubuntu | esm-infra/xenial | * |
| Cloud-init | Ubuntu | focal | * |
| Cloud-init | Ubuntu | groovy | * |
| Cloud-init | Ubuntu | hirsute | * |
| Cloud-init | Ubuntu | impish | * |
| Cloud-init | Ubuntu | jammy | * |
| Cloud-init | Ubuntu | trusty | * |
| Cloud-init | Ubuntu | upstream | * |
| Cloud-init | Ubuntu | xenial | * |
A product’s design should require adherance to an appropriate password policy. Specific password requirements depend strongly on contextual factors, but it is recommended to contain the following attributes:
Depending on the threat model, the password policy may include several additional attributes.
See NIST 800-63B [REF-1053] for further information on password requirements.