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Vulnerability Details : CVE-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.
Publish Date : 2018-10-25 Last Update Date : 2019-10-22
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 863

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2018:3410: xorg-x11-server security update (Important) oval:com.redhat.rhsa:def:20183410 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2018-14665

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 18.10 * * * Version Details Vulnerabilities
4 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
5 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux Server Aus 7.6 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Server Eus 7.6 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Server Tus 7.6 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities
11 Application X.org Xorg-server * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Debian Debian Linux 1
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Eus 1
Redhat Enterprise Linux Server Tus 1
Redhat Enterprise Linux Workstation 1
X.org Xorg-server 1

- References For CVE-2018-14665

http://packetstormsecurity.com/files/154942/Xorg-X11-Server-SUID-modulepath-Privilege-Escalation.html
https://www.securepatterns.com/2018/10/cve-2018-14665-xorg-x-server.html
https://gitlab.freedesktop.org/xorg/xserver/commit/50c0cf885a6e91c0ea71fb49fa8f1b7c86fe330e CONFIRM
https://www.exploit-db.com/exploits/46142/
EXPLOIT-DB 46142
https://www.exploit-db.com/exploits/45908/
EXPLOIT-DB 45908
https://www.exploit-db.com/exploits/45742/
EXPLOIT-DB 45742
http://www.securityfocus.com/bid/105741
BID 105741 X.Org X Server CVE-2018-14665 Multiple Local Privilege Escalation Vulnerability Release Date:2018-12-12
https://security.gentoo.org/glsa/201810-09
GENTOO GLSA-201810-09
https://access.redhat.com/errata/RHSA-2018:3410
REDHAT RHSA-2018:3410
https://www.debian.org/security/2018/dsa-4328
DEBIAN DSA-4328
https://usn.ubuntu.com/3802-1/
UBUNTU USN-3802-1
https://www.exploit-db.com/exploits/45697/
EXPLOIT-DB 45697
https://www.exploit-db.com/exploits/45938/
EXPLOIT-DB 45938
http://www.securitytracker.com/id/1041948
SECTRACK 1041948
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14665 CONFIRM
https://www.exploit-db.com/exploits/45832/
EXPLOIT-DB 45832
https://gitlab.freedesktop.org/xorg/xserver/commit/8a59e3b7dbb30532a7c3769c555e00d7c4301170 CONFIRM
https://lists.x.org/archives/xorg-announce/2018-October/002927.html
MLIST [xorg-announce] 20181025 X.Org security advisory: October 25, 2018
https://www.exploit-db.com/exploits/45922/
EXPLOIT-DB 45922
http://packetstormsecurity.com/files/155276/Xorg-X11-Server-Local-Privilege-Escalation.html

- Metasploit Modules Related To CVE-2018-14665

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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