Check Point Advisories

Spring Web Flow SPEL Command Injection (CVE-2017-4971) - Ver2

Check Point Reference: CPAI-2018-0777
Date Published: 11 Apr 2018
Severity: Medium
Last Updated: 31 Jul 2018
Industry Reference:CVE-2017-4971
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Pivotal Spring_Web_Flow 2.4.2
Pivotal Spring_Web_Flow 2.4.1
Pivotal Spring_Web_Flow 2.4.0
Pivotal Spring_Web_Flow 2.4.4
Vulnerability Description A command injection vulnerability exists in Spring Web. 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 / R76 / R75

  1. In the IPS tab, click Protections and find the Spring Web Flow SPEL Command Injection (CVE-2017-4971) - Ver2 protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Spring Web Flow SPEL Command Injection (CVE-2017-4971) - Ver2

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