Check Point Advisories

Ruby Net FTP Command Injection (CVE-2017-17405) - Ver2

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0786
Date Published:	15 Apr 2018
Severity:	Critical
Last Updated:	Tuesday 31 July, 2018
Source:
Industry Reference:	CVE-2017-17405
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	ruby-lang Ruby 2.2.0 Ruby-Lang Ruby 2.5.0 Preview1
Vulnerability Description	A command execution vulnerability exists in Ruby. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary commands 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 R80 / R77 / R75

In the IPS tab, click Protections and find the Ruby Net FTP Command Injection (CVE-2017-17405) - Ver2 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 Client Enforcement Violation.
Attack Information: Ruby Net FTP Command Injection (CVE-2017-17405) - Ver2