Yahoo Zero-Day Vulnerability - Code Point of View

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Ebrahim Hegazy @Zigoo0 Cyber Security Analyst @Q-CERT Ehegazy@qcert.org. Yahoo Zero-Day Vulnerability - Code Point of View. 12 April - 2014. Not this type of bugs!. Nor even This type Of hunting!. 1- Bug Bounty Programs. 2- Remote Code Execution Vulnerability 3- Live Example – WebPwn3r - PowerPoint PPT Presentation

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Yahoo Zero-Day Vulnerability - Code Point of View

Ebrahim Hegazy@Zigoo0Cyber Security Analyst @Q-CERTEhegazy@qcert.org

12 April - 2014

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Not this type of bugs!

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Nor even This type Of hunting!

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1- Bug Bounty Programs.2- Remote Code Execution Vulnerability3- Live Example – WebPwn3r4- Demo Videos

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Bug Bounty Programs

https://bugcrowd.com/list-of-bug-bounty-programs/

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Remote Code Execution Vulnerability

Simply, PHPCE occurs when user-supplied(GET/POST) values of the parameters are reflected inside eval() function, that vulnerability allows attackers to execute PHP code such as {echo system(“id”)} or any other php function/code.

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Eval

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Live Example – WebPwn3r

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4- Demo Videos

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