Description
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.
CVSS breakdown
CVSS 3.0
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- PaperCut / NG22.0.5 (Build 63914) – 22.0.5 (Build 63914)
Exploits & PoCs
- nucleiPaperCut - Unauthenticated Remote Code Executionby rootxharsh,iamnoooob,pdresearch
References
- VENDOR_ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-23-233/
- MISChttps://www.papercut.com/kb/Main/PO-1216-and-PO-1219
- EXPLOIThttp://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html
- EXPLOIThttp://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html
- MISChttps://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/
- EXPLOIThttp://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html
- EXPLOIThttp://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html