Pwnie Awards 2017

The 2019 Pwnie Award For Best Privilege Escalation

iOS CVE-2019-6225

Qixun Zhao(@S0rryMybad)

This iOS kernel UAF vulnerability affecting ipc_voucher was directly reachable from Safari, and was used to achieve a jailbreak in order to win the TianfuCup hacking contest.

iOS CVE-2019-6225