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Samsung reportedly shipped at the least 100 million Android smartphones with a safety flaw that might have allowed attackers to extract delicate and encrypted info from the units.
the error, discovered by researchers from Tel Aviv College, there’s a particular drawback with the way in which sure Samsung Galaxy units retailer cryptographic keys within the ARM TrustZone system. It impacts the Galaxy S8, Galaxy S9, Galaxy S10, Galaxy S20 and Galaxy S21 fashions.
TrustZone is a expertise used to guard delicate info by isolating {hardware} from the first working system. On Samsung units, the TrustZone working system (TZOS) runs alongside Android and performs delicate safety duties and cryptographic capabilities which might be stored separate from regular purposes.
The vulnerability has far-reaching penalties for customers. An attacker might use the flaw to extract delicate info that might usually be encrypted, akin to passwords saved on a tool. The Tel Aviv College researchers additionally took benefit of the issue to bypass hardware-based two-factor authentication.
Nonetheless, the researchers reported the vulnerability to Samsung in Could 2022. The South Korean smartphone maker patched the flaw in August 2022, which ought to now not have an effect on Galaxy units operating the most recent working system.
Nonetheless, because of the severity of the coding error, Android customers who’ve any of the affected units and who haven’t lately up to date their telephones ought to achieve this as quickly as potential.
The researchers plan to reveal their findings in a paper on the Actual World Crypto and USENIX Safety conferences in 2022.
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