Check Point Advisories

Web Servers Malicious Upload Directory Traversal (CVE-2018-5445; CVE-2021-37343; CVE-2022-26352; CVE-2022-29596; CVE-2023-1112; CVE-2023-20890; CVE-2023-42000)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0018
Date Published:	9 Jan 2017
Severity:	Critical
Last Updated:	Thursday 25 April, 2024
Source:
Industry Reference:	CVE-2018-5445 CVE-2021-37343 CVE-2022-26352 CVE-2022-29596 CVE-2023-1112 CVE-2023-20890 CVE-2023-42000
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Web servers and web applications.
Vulnerability Description	A directory traversal vulnerability exists in web servers. The vulnerability allows unauthorized users to upload malicious files to the server. A remote attacker can exploit this vulnerability by uploading an arbitrary, executable file and executing it under 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 Web Servers Malicious Upload Directory Traversal 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: Web Servers Malicious Upload Directory Traversal