Check Point Advisories

Apache Struts REST Plugin XStream Deserialization Remote Code Execution (CVE-2017-9805)

Check Point Reference: CPAI-2017-0742
Date Published: 6 Sep 2017
Severity: Critical
Last Updated: Wednesday 13 September, 2017
Source:
Industry Reference:CVE-2017-9805
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Struts 2.5 - Struts 2.5.12
Vulnerability Description A remote code execution vulnerability exists in Apache Struts. This vulnerability is due to the an insecure deserialization. A remote attacker could exploit this vulnerability by sending a crafted request to the target server. Successful exploitation will allow an attacker to execute arbitrary code on the server.

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

  1. In the IPS tab, click Protections and find the Apache Struts REST Plugin XStream Deserialization Remote Code Execution (CVE-2017-9805) 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:  Apache Server Protection Violation.
Attack Information:  Apache Struts REST Plugin XStream Deserialization Remote Code Execution (CVE-2017-9805)

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