The Download
Critical vulnerabilities in the Common UNIX Printing System (CUPS) have been discovered that allow for remote code execution (RCE) attacks on Linux systems. The vulnerabilities are tracked as CVE-2024-47176, CVE-2024-47076, CVE-2024-47175, CVE-2024-47177. Attackers can exploit the flaws by creating a fake malicious printing device on the network and then send fake print jobs to it to trigger the remote code exploitation. As CUPS is widely used in Linux environments, this poses a significant threat to organizations relying on network printing, allowing attackers to breach systems and deploy malware.
What You Can Do
IT administrators should immediately apply the security patch released for the CVEs referenced above to mitigate the risk of exploitation. Additionally, administrators should restrict access to network printing services, limit CUPS to trusted internal networks, and disable unnecessary printing services. Continuous monitoring for vulnerabilities and updating vulnerable software versions are essential to preventing potential attacks leveraging this vulnerability. Use ThreatMate to continuously monitor your attack surfaces.
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