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WARNING: Malicious code in current pre-release & testing versions/variants: F40 and rawhide affected - users of F40/rawhide need to respond
(discussion.fedoraproject.org)
this post was submitted on 29 Mar 2024
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In turn it ~~compromises ssh authentication~~ allows remote code execution via system(); if the connecting SSH certificate contains the backdoor key. No user account required. Nothing logged anywhere you'd expect. Full root code execution.
There is also a killswitch hard-coded into it, so it doesn't affect machines of whatever state actor developed it.
It's pretty clear this is a state actor, targeting a dependency of one of the most widely used system control software on Linux systems. There are likely tens or hundreds of other actors doing the exact same thing. This one was detected purely by chance, as it wasn't even in the code for ssh.
If people ever wonder how cyber warfare could potentially cause a massive blackout and communications system interruption - this is how.
You mean thousands?
That was supposed to be or, not of.