TippingPoint Zero Day Initiative

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

ZDI-17-027: January 10th, 2017


CVSS Score

Affected Vendors

Affected Products

    Acrobat Pro DC

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 TIFF parsing. The process does not properly validate user-supplied data which can result in a write 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

    2016-11-30 - Vulnerability reported to vendor
    2017-01-10 - Coordinated public release of advisory


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