On September 23rd, a security researcher named Simone Margaritelli (evilSocket on X) disclosed 4 vulnerabilities in OpenPrinting Common Unix Printing System (CUPS), a modular printing system for Unix-like operating systems that enables users to manage printers and print jobs. Due to an inadequate response from the developers following the responsible disclosure process, Margaritelli decided to publish the vulnerabilities publicly. Worryingly, the newly uncovered vulnerabilities can be leveraged to form an exploit chain, allowing an attacker to establish a malicious, counterfeit printing device on a network-exposed Linux system running CUPS, which would trigger remote code execution upon the submission of a […]
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