Check Point Advisories

Adobe Acrobat and Reader Security bypass (APSB18-02: CVE-2018-4872)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0127
Date Published:	13 Feb 2018
Severity:	Critical
Last Updated:	Tuesday 13 February, 2018
Source:	Adobe APSB18-02
Industry Reference:	CVE-2018-4872
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Adobe Acrobat DC Continuous for Windows 2017.011.30068 Adobe Acrobat DC Continuous for Macintosh 2017.011.30068 Adobe Acrobat Reader DC Continuous for Windows 2017.011.30068 Adobe Acrobat Reader DC Continuous for Macintosh 2017.011.30068 Adobe Acrobat DC Classic for Windows 2015.006.30390 Adobe Acrobat DC Classic for Macintosh 2015.006.30390 Adobe Acrobat Reader DC Classic for Windows 2015.006.30390 Adobe Acrobat Reader DC Classic for Macintosh 2015.006.30390
Vulnerability Description	This vulnerability is a security bypass vulnerability that leads to the Acrobat Reader sandbox escape. In this case, the cross call from the sandbox process to the embedded Internet Explorer process allows opening of a URL without a prompt for certain URLs. Due to the vulnerability, it is possible to bypass URL white-listing and re-direct to an arbitrary URL.
Update/Patch Avaliable	Apply patches from: APSB18-02

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 Adobe Acrobat and Reader Security bypass (APSB18-02: CVE-2018-4872) 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: Adobe Products Violation.
Attack Information: Adobe Acrobat and Reader Security bypass (APSB18-02: CVE-2018-4872)