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Pwning Pixel 6 with a leftover patch

Pwning Pixel 6 with a leftover patch

In this post, I’ll look at a security-related change in version r40p0 of the Arm Mali driver that was AWOL in the January update of the Pixel bulletin, where other patches from r40p0 was applied, and how these two lines of changes can be exploited to gain arbitrary kernel code execution and root from a malicious app. This highlights how treacherous it can be when backporting security changes.

Man Yue Mo
2022 Transparency Report

2022 Transparency Report

Looking back over a year’s worth of developer-first content moderation and, new in this report, making our data more accessible to researchers.

Kevin Xu
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