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Thousands of servers can be backdoored by exploiting buggy motherboard controllers
(arstechnica.com)
this post was submitted on 06 Aug 2026
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Technology
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That sounds like a tiny number...
As someone who bought a Supermicro board 6 weeks ago and was super happy to learn about IPMI: oh no.
I flashed the latest bmc firmware and bios the day I got it running (also fuck paywalling the bmc UI for bios updates), but... ๐ฌ
E: holy shit it truncates passwords to 19 characters. One of my weakest passwords, in the bottom 10 of like 450 passwords.
E2: I can't disable KCS, I can't disable the IPMI (short of unplugging the ethernet cable), I can't disable the default user or limit the privileges, so I had delete my user, login as the default, then change the username and password to my user creds. Like, wow.
IPMI/BMC have been known problems since 2015, if not before.
Matthew Garrett: IPMI - because ACPI and UEFI weren't terrifying enough
Really interesting watch, thanks :)
Brother..... IPMI is a dumpster fire of security, it should be on its own mgmt network alone.
I use IPMI as a demo of how to use tcpdump and jack the ripper to compromise an ipmi login. It's trivial.