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 SetupCompleted class. The issue results from improper access control. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-18987.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Papercut_mf | Papercut | 8.0.0 (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 | 8.0.0 (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) |
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: