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Adobe Reader DC XFA Uninitialized Pointer Remote Code Execution Vulnerability

Reference ID: SSA-1605
Publication date: 11.10.2016
Severity: critical

Affected products/versions: Acrobat Reader DC

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Reader 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 XFA maxChars. The issue lies in the failure to properly validate the existence of an object prior to performing operations on it. An attacker can leverage this vulnerability to execute code under the context of the current process.

References:
ZDI-16-554
CVE-2016-6946
Adobe Security Bulletin APSB16-33