Check Point Advisories

Cisco IOS Remote Code Execution (CVE-2017-3881) - Ver2

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0780
Date Published:	15 Apr 2018
Severity:	Critical
Last Updated:	Tuesday 31 July, 2018
Source:
Industry Reference:	CVE-2017-3881
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Cisco IOS XE 2.4.0 Cisco IOS 12.2 (52)SE Cisco IOS 12.2 (25)SED Cisco IOS 12.2 (25)SEB Cisco IOS 12.2 (25)EWA Cisco IOS XE 3.2.4SG Cisco IOS 15.2(2)E Cisco IOS 12.2(46)SE Cisco Ios Cisco IOS 12.1 (20)EA1
Vulnerability Description	A remote code execution vulnerability exists in Cisco IOS. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code 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 Cisco IOS Remote Code Execution (CVE-2017-3881) - 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: Cisco Protection Violation.
Attack Information: Cisco IOS Remote Code Execution (CVE-2017-3881) - Ver2