SRC-2018-0021 : Adobe Acrobat Pro DC HTML2PDF HTML Parsing img setAttribute Use-After-Free Remote Code Execution Vulnerability

Vulnerability Details:

This vulnerability allows remote attackers to execute arbitrary code 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 the handling of img objects when calling setAttribute during the parsing of HTML files in HTML2PDF. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected Vendors:

Adobe

Affected Products:

Acrobat Pro DC

Vendor Response:

Adobe has issued an update to correct these vulnerabilities. More details can be found at:
<https://helpx.adobe.com/security/products/acrobat/apsb18-21.html&gt;