#VU77905 Incorrect default permissions in Screen - CVE-2023-24626
Published: July 3, 2023 / Updated: October 25, 2024
Vulnerability identifier: #VU77905
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2023-24626
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerable software:
Screen
Screen
Software vendor:
GNU
GNU
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to missing permissions checks in socket.c, which allows a local user to send a privileged SIGHUP signal to any PID, causing a denial of service or disruption of the target process.
Remediation
Install updates from vendor's website.