Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

HTTP Suspicious Linux Tilde Paths

Check Point Reference: CPAI-2020-0251
Date Published: 14 May 2020
Severity: High
Last Updated: Thursday 15 July, 2021
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable?
Vulnerability Description Linux tilde is a directory that represent the home directory of any currently active user. A remote attacker may create a malicious HTTP request to obtain sensitive information.

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

  1. In the IPS tab, click Protections and find the HTTP Suspicious Linux Tilde Paths 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:  HTTP Headers Linux Suspicious Tilde Paths

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