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Bypassing OGNL sandboxes for fun and charities

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.

Alvaro Munoz
Bug bounty graphic

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.

Man Yue Mo
Passwordless deployments to the cloud

Passwordless deployments to the cloud

Discovering passwords in our codebase is probably one of our worst fears. But what if you didn’t need passwords at all, and could deploy to your cloud provider another way? In this post, we explore how you can use OpenID Connect to trust your cloud provider, enabling you to deploy easily, securely and safely, while minimizing the operational overhead associated with secrets (for example, key rotations).

Chris Reddington