Check Point Advisories

Adobe Acrobat ImageConversion EMF Integer Overflow (CVE-2017-11308)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0059
Date Published:	5 Feb 2018
Severity:	High
Last Updated:	Tuesday 08 November, 2022
Source:	Adobe APSB17-36
Industry Reference:	CVE-2017-11308
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Adobe Systems Acrobat 2017 2017.011.30066 and earlier versions Adobe Systems Acrobat DC (Classic) 2015.006.30355 and earlier Adobe Systems Acrobat DC (Continuous) 2017.012.20098 and earlier Adobe Systems Acrobat XI 11.0.22 and earlier
Vulnerability Description	An integer overflow vulnerability exists in ImageConversion component of Adobe Acrobat. The vulnerability is due to improper parsing of EMF+ records in an EMF file, which leads to incorrect buffer allocation. A remote attacker could exploit this vulnerability by enticing a target user into opening a crafted EMF document.
Update/Patch Avaliable	Apply patches from: APSB17-36

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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Adobe Acrobat ImageConversion EMF Integer Overflow 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 ImageConversion EMF Integer Overflow