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"BatBadBut" Vulnerability Discovered in Rust Standard Library on Windows - Cyber Kendra
(www.cyberkendra.com)
this post was submitted on 10 Apr 2024
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This, btw, is why CVE scores are insane at times.
The vulnerability is that when spawning a new process which is a bat file you need special treatment of the arguments to avoid spawning a second process.
So you need a rust program setup to spawn other processes which also somehow forwards unparsed user input into those processes and is executing a bat file.
There's a reason nobody has fixed this, it's because it's an insane setup that affects basically no rust programs.