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OpenPrinting News Flash - cups-browsed Remote Code Execution vulnerability
(openprinting.github.io)
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Yep. While simple to prepare, this will affect almost nobody, as it requires the user to perform an increasingly rare action in a world that's often going paperless.
Also, the likelihood that a regular user will expose port 631 to the internet is probably close to zero. There's several uncommon pieces that have to be in place for this to work, to the point that it's not a simple matter to execute this exploit.
Is that really true? From https://www.evilsocket.net/2024/09/26/Attacking-UNIX-systems-via-CUPS-Part-I/
My guess is that most hits that scan is gonna catch is old enterprise networks, that has not been updated or maintained by security.