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Chainspotting 2: The Unofficial Sequel to the 2018 Talk "Chainspotting" - OffensiveCon 2025

23 May 2025

By Ken Gannon

On Saturday 17th of May, Ken Gannon (@yogehi) presented this talk at OffensiveCon 2025 in Berlin, Germany.

The slides for this talk can be downloaded here:

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You can also watch the talk on YouTube here:

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Abstract


At Pwn2Own Ireland 2024 (sometimes referred to as Mobile Pwn2Own 2024), there were 61 entries targeting...IoT devices and printers. No wonder "mobile" is not in the event's title anymore. Thankfully, there was still 1 entry that targeted, and successfully pwned, the Samsung Galaxy S24. And now that the issues are patched, it is time to disclose those technical details!

The full exploit chain consisted of five different issues across several different applications, resulting in the ability to install arbitrary APKs. This talk will discuss the bugs that were discovered, how they were chained together, and the issues encountered while developing the Pwn2Own entry.


There are no stories about vendors this year. Just pure technical details about the bugs, and how a ""Path Traversal"" issue ended up being the most interesting bug in the entire exploit chain.