CVE-2018-14665
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 27.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 6.6 MEDIUMCVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 27.04% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- x.org/x server · 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 · canonical/ubuntu linux · debian/debian linux
- Source
- secalert@redhat.com
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/105741Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041948Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3410Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14665Issue Tracking, Patch, Third Party Advisory
- https://gitlab.freedesktop.org/xorg/xserver/commit/50c0cf885a6e91c0ea71fb49fa8f1b7c86fe330ePatch, Third Party Advisory
- https://gitlab.freedesktop.org/xorg/xserver/commit/8a59e3b7dbb30532a7c3769c555e00d7c4301170Patch, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2018-October/002927.htmlMitigation, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/201810-09Third Party Advisory
- https://usn.ubuntu.com/3802-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4328Third Party Advisory
- https://www.exploit-db.com/exploits/45697/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/45742/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/45832/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/45908/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/45922/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/45938/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46142/Exploit, Third Party Advisory, VDB Entry
- https://www.securepatterns.com/2018/10/cve-2018-14665-xorg-x-server.htmlExploit, Third Party Advisory
- 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/105741Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041948Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3410Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14665Issue Tracking, Patch, Third Party Advisory
- https://gitlab.freedesktop.org/xorg/xserver/commit/50c0cf885a6e91c0ea71fb49fa8f1b7c86fe330ePatch, Third Party Advisory
- https://gitlab.freedesktop.org/xorg/xserver/commit/8a59e3b7dbb30532a7c3769c555e00d7c4301170Patch, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2018-October/002927.htmlMitigation, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/201810-09Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.