Check Point Advisories

PaperCut MF/NG Authentication Bypass (CVE-2023-27350; CVE-2023-27351)

Vulnerability
Protection

Check Point Reference:	CPAI-2023-0278
Date Published:	14 May 2023
Severity:	Critical
Last Updated:	Tuesday 05 September, 2023
Source:
Industry Reference:	CVE-2023-27350 CVE-2023-27351
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	PaperCut MF/NG versions 8.0.0 to 19.2.7 (inclusive) PaperCut MF/NG versions 20.0.0 to 20.1.6 (inclusive) PaperCut MF/NG versions 21.0.0 to 21.2.10 (inclusive) PaperCut MF/NG versions 22.0.0 to 22.0.8 (inclusive)
Vulnerability Description	An authentication bypass vulnerability exists in PaperCut MF/NG. Successful exploitation of this vulnerability would allow remote attackers to execute arbitrary code in the context of system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the PaperCut MF/NG Authentication Bypass protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: PaperCut MF/NG Authentication Bypass