vegeta@lemmy.world to Technology@lemmy.worldEnglish · 1 day agoHackers can steal 2FA codes and private messages from Android phonesarstechnica.comexternal-linkmessage-square47fedilinkarrow-up1216arrow-down116cross-posted to: android@lemdro.id
arrow-up1200arrow-down1external-linkHackers can steal 2FA codes and private messages from Android phonesarstechnica.comvegeta@lemmy.world to Technology@lemmy.worldEnglish · 1 day agomessage-square47fedilinkcross-posted to: android@lemdro.id
minus-squareA Basil Plant@lemmy.worldlinkfedilinkEnglisharrow-up5·edit-21 hour agoYou can implement a counting-thread that’s even more precise than the CPU’s timer (TSC on x86) platforms. This was shown in attacks on Intel SGX, where the rdtsc instruction to access the time-stamp counter is unavailable. https://link.springer.com/chapter/10.1007/978-3-319-60876-1_1 https://arxiv.org/pdf/1702.08719 If you remove access to the timer, attackers will simply build one.
You can implement a counting-thread that’s even more precise than the CPU’s timer (TSC on x86) platforms. This was shown in attacks on Intel SGX, where the rdtsc instruction to access the time-stamp counter is unavailable.
https://link.springer.com/chapter/10.1007/978-3-319-60876-1_1
https://arxiv.org/pdf/1702.08719
If you remove access to the timer, attackers will simply build one.