TippingPoint Zero Day Initiative
 

Adobe Acrobat Pro DC ImageConversion EMF Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-17-583: August 8th, 2017

CVE ID

CVSS Score

Affected Vendors

Affected Products

    Acrobat Pro DC

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 27822. For further product information on the TippingPoint IPS:

Vulnerability Details


This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Adobe Acrobat Pro DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within ImageConversion's EMF parsing. The process does not properly validate user-supplied data which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

Vendor Response

Adobe has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2017-03-23 - Vulnerability reported to vendor
    2017-08-08 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Ke Liu of Tencent's Xuanwu LAB