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The latest blogs from GitHub

Explore the latest blogs from GitHub on all things software development from the newest capabilities on the GitHub platform to research and insights—and guides to help you level up your engineering skills.

Bypassing OGNL sandboxes for fun and charities

Object Graph Notation Language (OGNL) is a popular, Java-based, expression language used in popular frameworks and applications, such as Apache Struts and Atlassian Confluence. Learn more about bypassing certain OGNL injection protection mechanisms including those used by Struts and Atlassian Confluence, as well as different approaches to analyzing this form of protection so you can harden similar systems.

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Pwning the all Google phone with a non-Google bug

It turns out that the first “all Google” phone includes a non-Google bug. Learn about the details of CVE-2022-38181, a vulnerability in the Arm Mali GPU. Join me on my journey through reporting the vulnerability to the Android security team, and the exploit that used this vulnerability to gain arbitrary kernel code execution and root on a Pixel 6 from an Android app.

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