This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SecurityRequestFilter class. The issue results from improper implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-19226.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Papercut_mf | Papercut | 15.0.0 (including) | 20.1.7 (excluding) |
| Papercut_mf | Papercut | 21.0.0 (including) | 21.2.11 (excluding) |
| Papercut_mf | Papercut | 22.0.0 (including) | 22.0.9 (excluding) |
| Papercut_ng | Papercut | 15.0.0 (including) | 20.1.7 (excluding) |
| Papercut_ng | Papercut | 21.0.0 (including) | 21.2.11 (excluding) |
| Papercut_ng | Papercut | 22.0.0 (including) | 22.0.9 (excluding) |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html