Ubuntu Desktop & Windows 11 Hacked – Pwn2Own Day 3

After the first and second day, on day 3 , Three more zero-day exploits were successfully used by security researchers to hack the Windows 11 OS of Microsoft on the third and last day of the 2022 Pwn2Own Vancouver hacking contest.

Team DoubleDragon’s first attempt of the day to exploit Microsoft Teams failed because they were unable to demonstrate their exploit within the time allowed by Microsoft.

Although all is not lost, because ZDI was able to incorporate Team Double Dragon’s research into standard procedures.

The other contestants had successfully taken down Windows 11 for three times and Ubuntu Desktop for one time as well, earning them $160,000.

It was shown successfully that nghiadt12 from Viettel Cyber Security was able to exploit an integer overflow vulnerability in Windows 11 in order to gain elevated privileges.

In turn, they received a reward of $40,000 along with 4 Master of Pwn points as a reward for their execution.

On Ubuntu Desktop, a Use-After-Free exploit was successfully demonstrated by the STAR Labs’ Billy Jheng Bing-Jhong (@st424204). His mastery of Pwn capabilities earned him another $40,000 along with four more Master points.

Through an improperly implemented access control mechanism on Microsoft Windows 11, vinhthp1712 has achieved Elevation of Privilege. It has been confirmed that vinhthp1712 has been awarded $40,000 and 4 Master of Pwn points.

Bruno PUJOS from REverse Tactics has achieved Elevation of Privilege by utilizing the Use-After-Free exploit on Microsoft Windows 11 during the final attempt of the competition.

While it is also worth mentioning that this earned him $40,000 in addition to 4 Master of Pwn points.

In conclusion, the regularly scheduled programming event, Pwn2Own has concluded with this final session.

The total number of attempts this year was 21 from 17 different contestants with Trend Micro and ZDI awarding $1,155,000 to the winner.

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