Electronics > Microcontrollers

Jlink OB Clone?

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thm_w:

--- Quote from: GromBeestje on November 27, 2022, 09:24:29 am ---Also an interesting read in the matter
https://uglyduck.vajn.icu/ep/archive/2019/05/Unbricking_a_SEGGER_J_Link_v9_debug_probe.html

--- End quote ---

Thats the hackaday link above :)


--- Quote from: eutectique on November 26, 2022, 05:37:51 pm ---Since that comment there were new developments, including closed hole in licensing of v10 and v11 probes:
https://bi-zone.medium.com/vulnerabilities-in-j-link-licensing-system-or-why-researching-device-security-matters-b3ba1f9b469a

Edit: fixed the link.

--- End quote ---

nice


--- Quote ---Flaw 2. Partial coverage of the firmware by a digital signature makes it possible to execute arbitrary code on the device. Using this vulnerability, it is easy to run your own code that would modify the OEM string and the license set. As a demonstration, we have prepared a script that turns a J-Link EDU into a J-Link PLUS in a matter of seconds. We are not going to publish it as we don’t want to encourage piracy, but we’ll show how it works:
--- End quote ---

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