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Posts by

Alvaro Munoz

@pwntester

Securing our home labs: Home Assistant code review

The GitHub Security Lab examined the most popular open source software running on our home labs, with the aim of enhancing its security. Here's what we found and what you can do to better protect your own smart home.

GitHub Security Lab audited DataHub: Here’s what they found

GitHub Security Lab audited DataHub: Here’s what they found

The GitHub Security Lab audited DataHub, an open source metadata platform, and discovered several vulnerabilities in the platform's authentication and authorization modules. These vulnerabilities could have enabled an attacker to bypass authentication and gain access to sensitive data stored on the platform.

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.