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Citrix ADC (Netscaler ADC) Multi-Factor Bypass

By Kendall Rusco / October 26, 2020

While working with a client, VDA engineers encountered an interesting circumstance that allowed for the bypassing of Multi-factor Authentication for users who had already set this up on their accounts. This particular misconfiguration/vulnerability was possible due to the way Citrix ADC (formerly NetScaler ADC) handles user authentication. How does it work? Upon initial login attempts…

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Microsoft Security Risk Detection: 0day in VeryPDF Reader (Part 1)

By Kendall Rusco / April 25, 2019

At VDA we like to tackle many different types of security challenges – one of them being Application Security (AppSec). A recent project involves working with the Microsoft Security Risk Detection (MSRD) fuzzing platform. In basic terms, MSRD is a security discovery platform that can be used on many different applications. In a separate blog, we demonstrate how to write…

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EPSON Printer Vulnerabilities

By Kendall Rusco / August 26, 2018

EPSON Printer Vulnerabilities Aug 26, 2018   The EPSON WF-2750 printer is a multi-functional printer for home and small office use. The printer has multiple connection points through Wi-Fi. Remote printing is one of the major features of this printer. Users can remotely print form mobile apps, web browsers, and cloud services. EPSON WF-2750 is…

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