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Adobe Acrobat Reader DC XFA dashDotDot Use-After-Free Remote Code Execution Vulnerability

Reference ID: SSA-1704
Publication date: 11.04.2017
Severity: critical
Discovered by: Sebastian Apelt

Affected products/versions:
Adobe Acrobat Reader DC (15.023.20070 and earlier versions)

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Acrobat 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 XFA’s dashDotDot. 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 under the context of the current process.

Adobe Security Bulletin APSB17-11