Older iPhones storing crypto seed phrases face physical BootROM attack risk
VULNERABILITYredteam/daily · 1 source
- Severity
- Medium
- Sources
- 1
What happened
Some older iPhones can be attacked through a flaw built into their startup chip, which an attacker could use if they have physical access to the phone. This could expose a cryptocurrency recovery phrase stored on the device, even when the phone is offline in airplane mode.
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What to do
- Check whether your iPhone is an affected model, such as the iPhone X or earlier, or the XS, XR, 11 family or second-generation SE.
- Install available security updates, while noting that updates cannot fix the BootROM flaw itself.
- Do not rely on airplane mode as a complete defence for a phone holding a cryptocurrency seed phrase.
- If you believe a stored seed was exposed, generate a new seed in a trusted environment and transfer your funds to it.
Written by AI from the sources, checked against them
Full story timeline · 1 update
Who reported · 1 outlet
Cyber Security News