| Vulnerability in iBoot | |
|---|---|
| Vulnerable versions | ? - 1940.10.58~132 |
| Disclosed | 10 May 2018 |
| Discovered by | xerub |
De Rebus Antiquis (DRA) is an exploit in the iBoot of iOS 7 that abuses a recursive stack overflow bug. It can be set up to run untethered by creating an HFS partition containing the exploit code and setting the device's NVRAM to read it on boot. With the proper tools (such as Legacy iOS Kit), this can be used to achieve untethered downgrades and jailbreaks on any 32-bit device you have iOS 7.x SHSH blobs saved for. This is especially useful on the iPhone 4 due to iOS 7 being signed for that device. This exploit was patched in iOS 8.
See also
- iOS 5 HFS Heap Buffer Overflow, a similar iBoot exploit
External links
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