CVE-2017-5618

CVE-2017-5618 is a high-severity vulnerability affecting GNU screen versions prior to 4.5.1, allowing local users to achieve root privileges. This flaw stems from improper logfile permission checks, enabling attackers to modify arbitrary files. With a CVSS score of 7.8, it represents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for privilege escalation makes patching critical.