CVSS 3.0
6.6 mediumCVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2018-14665
A flaw was found in xorg-x11-server before 1.20.3. An incorrect permission check for -modulepath and -logfile options when starting Xorg. X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges.
Severity
- EPSS
- 27% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
- CWE
- CWE-863
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- debian:debian_linux
- redhat:enterprise_linux_desktop
- redhat:enterprise_linux_server
- redhat:enterprise_linux_server_aus
- redhat:enterprise_linux_server_eus
- redhat:enterprise_linux_server_tus
- redhat:enterprise_linux_workstation
- x.org:x_server
References
- http://packetstormsecurity.com/files/154942/Xorg-X11-Server-SUID-modulepath-Privilege-Escalation.html
- http://packetstormsecurity.com/files/155276/Xorg-X11-Server-Local-Privilege-Escalation.html
- http://www.securityfocus.com/bid/105741
- http://www.securitytracker.com/id/1041948
- https://access.redhat.com/errata/RHSA-2018:3410