CVE-2018-14665

EUVD-2018-6560
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.6 MEDIUM
PHYSICAL
LOW
LOW
CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 94%
Affected Products (NVD)
VendorProductVersion
x.orgx_server
𝑥
< 1.20.3
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
7.6
redhatenterprise_linux_server_eus
7.6
redhatenterprise_linux_server_tus
7.6
redhatenterprise_linux_workstation
7.0
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
18.10
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xorg-server
bookworm
2:21.1.7-3+deb12u7
fixed
bookworm (security)
2:21.1.7-3+deb12u8
fixed
bullseye
2:1.20.11-1+deb11u13
fixed
bullseye (security)
2:1.20.11-1+deb11u14
fixed
jessie
not-affected
sid
2:21.1.14-1
fixed
trixie
2:21.1.14-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xorg
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
not-affected
xorg-hwe-16.04
bionic
dne
cosmic
dne
trusty
dne
xenial
not-affected
xorg-server
bionic
Fixed 2:1.19.6-1ubuntu4.2
released
cosmic
Fixed 2:1.20.1-3ubuntu2.1
released
trusty
not-affected
xenial
not-affected
xorg-server-hwe-16.04
bionic
dne
cosmic
dne
trusty
dne
xenial
Fixed 2:1.19.6-1ubuntu4.1~16.04.2
released
xorg-server-lts-utopic
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
xorg-server-lts-vivid
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
xorg-server-lts-wily
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
xorg-server-lts-xenial
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
Common Weakness Enumeration
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
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