CVE Vulnerabilities

CVE-2023-24626

Published: Apr 08, 2023 | Modified: Apr 19, 2023
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Ubuntu
LOW

socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a denial of service or disruption of the target process.

Affected Software

Name Vendor Start Version End Version
Screen Gnu * 4.9.0 (including)
Screen Ubuntu bionic *
Screen Ubuntu esm-infra/bionic *
Screen Ubuntu esm-infra/xenial *
Screen Ubuntu kinetic *
Screen Ubuntu lunar *
Screen Ubuntu trusty *
Screen Ubuntu trusty/esm *
Screen Ubuntu upstream *
Screen Ubuntu xenial *

References