CVE-2018-14665 EXPLOIT
6.6
MEDIUM · CVSS 3.0 · EPSS 27% (pctl 98)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 6.6 (MEDIUM, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 27.04% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-863 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-10-25 |
| Last modified | 2026-06-17 |
Affected (9)
| Vendor | Product |
|---|---|
| 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 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Xorg X11 Server - Local Privilege Escalation (Metasploit) | 2019-11-20 |
| exploit-db | xorg-x11-server < 1.20.3 (Solaris 11) - 'inittab Local Privilege Escalation | 2019-01-14 |
| exploit-db | Xorg X11 Server (AIX) - Local Privilege Escalation | 2018-12-04 |
| exploit-db | xorg-x11-server < 1.20.3 - 'modulepath' Local Privilege Escalation | 2018-11-30 |
| exploit-db | Xorg X11 Server - SUID privilege escalation (Metasploit) | 2018-11-26 |
| exploit-db | xorg-x11-server < 1.20.1 - Local Privilege Escalation | 2018-11-13 |
| exploit-db | xorg-x11-server 1.20.3 - Privilege Escalation | 2018-10-30 |
| exploit-db | xorg-x11-server < 1.20.3 - Local Privilege Escalation | 2018-10-25 |
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
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14665
- https://gitlab.freedesktop.org/xorg/xserver/commit/50c0cf885a6e91c0ea71fb49fa8f1b7c86fe330e
- https://gitlab.freedesktop.org/xorg/xserver/commit/8a59e3b7dbb30532a7c3769c555e00d7c4301170
- https://lists.x.org/archives/xorg-announce/2018-October/002927.html
- https://security.gentoo.org/glsa/201810-09
- https://usn.ubuntu.com/3802-1/
- https://www.debian.org/security/2018/dsa-4328
- https://www.exploit-db.com/exploits/45697/
- https://www.exploit-db.com/exploits/45742/
- https://www.exploit-db.com/exploits/45832/
- https://www.exploit-db.com/exploits/45908/
- https://www.exploit-db.com/exploits/45922/
- https://www.exploit-db.com/exploits/45938/
- https://www.exploit-db.com/exploits/46142/
- https://www.securepatterns.com/2018/10/cve-2018-14665-xorg-x-server.html
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