Check Point Advisories

Adobe Acrobat XPS JPEG Out of Bounds Read (CVE-2018-4889)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-0247
Date Published:	24 Feb 2019
Severity:	Medium
Last Updated:	Tuesday 26 February, 2019
Source:	Adobe APSB18-02
Industry Reference:	CVE-2018-4889
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Adobe Systems Acrobat 2017 2017.011.30070 and earlier versions Adobe Systems Acrobat DC (Classic) 2015.006.30394 and earlier versions Adobe Systems Acrobat DC (Continuous) 2018.009.20050 and earlier versions
Vulnerability Description	An out of bounds read vulnerability has been reported in XPS component of Adobe Acrobat. The vulnerability is due to improper parsing of an embedded JPEG image in an XPS document. Successful exploitation of this vulnerability could allow a remote attacker to obtain sensitive information.
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 XPS JPEG Out of Bounds Read (CVE-2018-4889) 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 Reader Violation.
Attack Information: Adobe Acrobat XPS JPEG Out of Bounds Read (CVE-2018-4889)