Security News > 2019 > October > PDFex attacks can exfiltrate content from encrypted PDF documents

Researchers from Ruhr University Bochum and Münster University of Applied Sciences have devised new attacks allowing them (and potential attackers) to recover the plaintext content of encrypted PDF documents. The attacks work against 27 widely-used desktop and browser-integrated PDF viewers. The attacks The PDFex attacks (as the researchers collectively dubbed them) can either result in direct exfiltration or exfiltration via CBC gadgets. Direct exfiltration attacks abuse the fact that some PDF readers don’t encrypt the … More → The post PDFex attacks can exfiltrate content from encrypted PDF documents appeared first on Help Net Security.

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