Comments (1)
wellsleep
commented on August 30, 2024
只能大致读一下，毕竟已经退休了...
看起来好像是通过 widevine 的 CA 漏洞作为入口，通过驱动什么的找到了对面 TA 映射到的物理地址。然后从 CA 一个个调函数慢慢偏移，可以在 TA 那面慢慢爬到想要读取的 TA 内容...
ION 我记得好像是 CA 和 TA 之间用于传数据的共享地址范围（当然在 REE 和 TEE 看来各自的虚拟地址段是不同的）。
就这样吧，gl。
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