Check Point Advisories

Apache HTTP Server Directory Traversal (CVE-2021-41773; CVE-2021-42013)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0749
Date Published:	6 Oct 2021
Severity:	High
Last Updated:	Monday 18 October, 2021
Source:
Industry Reference:	CVE-2021-41773 CVE-2021-42013
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Apache HTTP Server 2.4.49
Vulnerability Description	A directory traversal vulnerability exists in Apache HTTP Server. Successful exploitation of this vulnerability could allow an attacker to access arbitrary files on the affected 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 Apache HTTP Server Directory Traversal (CVE-2021-41773) 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: Apache Server Protection Violation.
Attack Information: Apache HTTP Server Directory Traversal (CVE-2021-41773)