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CUPS is an open-source printing system developed byApplefor Unix-likeoperating systems, including Linux and macOS.
It provides a standardized way to manage print jobs and queues, supporting both local and web link printers.
It also includes a web-based interface for managing printers, print jobs, and configurations.
The only thing the crooks need to do is send a specially crafted packet to trick the CUPS server.
As a result, both CPU and bandwidth resources get eaten up, in classic DDoS fashion.
In extreme cases, CUPS servers will continue to send requests, entering an infinite loop.
In some cases, this behavior appeared to continue indefinitely."
The DDoS amplification attack can be run in mere minutes, for almost no money.
IT teams are urged to apply the fix for the above-mentioned flaws as soon as possible.
ViaBleepingComputer
