Check Point Advisories

Web Servers Malicious HTTP Header Directory Traversal (CVE-2014-2324; CVE-2020-9484; CVE-2023-2551)

Check Point Reference: CPAI-2013-2750
Date Published: 12 Aug 2013
Severity: Critical
Last Updated: Thursday 08 June, 2023
Source:
Industry Reference:CVE-2014-2324
CVE-2020-9484
CVE-2023-2551
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70

Who is Vulnerable?
Vulnerability Description There exists a directory traversal vulnerability On different web servers. The vulnerability is due to an input validation error in a web server that does not properly sanitize the HTTP Header for the directory traversal patterns. Successful exploitation allows unauthenticated remote attackers to disclose or access arbitrary files on the vulnerable server.

Protection Overview

This protection will detect and block 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 / R71 / R70

  1. In the IPS tab, click Protections and find the Web Servers Malicious HTTP Header Directory Traversal protection using the Search tool and Edit the protection's settings.
  2. 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 HTTP Header Directory Traversal

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