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      Hacks at Pwn2Own Vancouver 2023

      news.movim.eu / Schneier · Monday, 27 March, 2023 - 03:33 · 1 minute

    An impressive array of hacks were demonstrated at the first day of the Pwn2Own conference in Vancouver:

    On the first day of Pwn2Own Vancouver 2023, security researchers successfully demoed Tesla Model 3, Windows 11, and macOS zero-day exploits and exploit chains to win $375,000 and a Tesla Model 3.

    The first to fall was Adobe Reader in the enterprise applications category after Haboob SA’s Abdul Aziz Hariri ( @abdhariri ) used an exploit chain targeting a 6-bug logic chain abusing multiple failed patches which escaped the sandbox and bypassed a banned API list on macOS to earn $50,000.

    The STAR Labs team ( @starlabs_sg ) demoed a zero-day exploit chain targeting Microsoft’s SharePoint team collaboration platform that brought them a $100,000 reward and successfully hacked Ubuntu Desktop with a previously known exploit for $15,000.

    Synacktiv ( @Synacktiv ) took home $100,000 and a Tesla Model 3 after successfully executing a TOCTOU (time-of-check to time-of-use) attack against the Tesla-Gateway in the Automotive category. They also used a TOCTOU zero-day vulnerability to escalate privileges on Apple macOS and earned $40,000.

    Oracle VirtualBox was hacked using an OOB Read and a stacked-based buffer overflow exploit chain (worth $40,000) by Qrious Security’s Bien Pham ( @bienpnn ).

    Last but not least, Marcin Wiązowski elevated privileges on Windows 11 using an improper input validation zero-day that came with a $30,000 prize.

    The con’s second and third days were equally impressive.