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The "trustlets" that run in the TrustZone have enhanced privileges and must be securely written. Once crap like DRM ends up in there, as it invariably does, it
by tveita 10y ago
The "trustlets" that run in the TrustZone have enhanced privileges and must be securely written.
Once crap like DRM ends up in there, as it invariably does, it turns actively harmful.
http://bits-please.blogspot.com/2016/05/qsee-privilege-escalation-vulnerability.html http://bits-please.blogspot.com/2016/05/qsee-privilege-escal...
- twr 10y agoIt should be mentioned that Matthew Green linked the above blog entry in the article, so if you didn't read either post, you should.