A lack of password length restriction in Zammad v5.1.0 allows for the creation of extremely long passwords which can cause a Denial of Service (DoS) during password verification.
Weakness
The product does not require that users should have strong passwords.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Zammad | Zammad | 5.1.0 (including) | 5.1.0 (including) |
Potential Mitigations
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.
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/112.html
- https://cwe.mitre.org/data/definitions/16.html
- https://cwe.mitre.org/data/definitions/49.html
- https://cwe.mitre.org/data/definitions/509.html
- https://cwe.mitre.org/data/definitions/55.html
- https://cwe.mitre.org/data/definitions/555.html
- https://cwe.mitre.org/data/definitions/561.html
- https://cwe.mitre.org/data/definitions/565.html
- https://cwe.mitre.org/data/definitions/70.html