Login Request a demo
Medium severity · published Oct 25, 2018
CVE-2018-14665
A flaw was found in xorg-x11-server before 1.20.3
6.6
CVSS
27.2%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Physical
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)27.2% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 18.10 · source: NVD
XS
X Server · X.org
before 1.20.3 · source: NVD
Affected product
UL
Ubuntu Linux
Canonical
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14665
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-14665
packetstormsecurity.com
http://packetstormsecurity.com/files/154942/Xorg-X11-Server-SUID-modulepath-Privilege-Escalation.html
packetstormsecurity.com
http://packetstormsecurity.com/files/155276/Xorg-X11-Server-Local-Privilege-Escalation.html
Third Party Advisory
http://www.securityfocus.com/bid/105741
Third Party Advisory
http://www.securitytracker.com/id/1041948
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3410
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14665
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