HP iLO4 authentication bypass: curl -H "Connection: AAAAAAAAAAAAAAAAAAAAAAAAAAAAA" No, that's not a crash PoC. That's a full blown auth bypass. sscanf into fixed buffer overwrites a flag field that bypasses auth. Yes, really. https://airbus-seclab.github.io/ilo/SSTIC2018-Slides-EN-Backdooring_your_server_through_its_BMC_the_HPE_iLO4_case-perigaud-gazet-czarny.pdf …
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Conclusion: the only safe way is to isolate every BMC from every other BMC, and from everything else, behind a 2FA-secured frontend.
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Ok cool, I didn't miss anything. Twitter is far far too terse to convey all the nuance. Thx.
End of conversation
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