CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1	$0-$5k	0.00

A vulnerability was found in X.org X11 Server up to 1.20.2 (Windowing System Software). It has been rated as critical. Affected by this issue is an unknown part of the component Permission Check. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 10/25/2018. The weakness was shared 10/25/2018 (Website). The advisory is available at lists.x.org. This vulnerability is handled as CVE-2018-14665 since 07/27/2018. Local access is required to approach this attack. A simple authentication is necessary for exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 118557 (RHEL 7 : xorg-x11-server (RHSA-2018:3410)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171899 (OpenSUSE Security Update for xorg-x11-server (openSUSE-SU-2018:3800-1)).

Upgrading to version 1.20.3 eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118557) and Exploit-DB (45697).

Productinfo

Type

• Windowing System Software

Vendor

• X.org

Name

• X11 Server

Version

• 1.20.0
• 1.20.1
• 1.20.2

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.6
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 118557
Nessus Name: RHEL 7 : xorg-x11-server (RHSA-2018:3410)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: xorg_x11_suid_server.rb
MetaSploit Name: Xorg X11 Server SUID privilege escalation
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: X11 Server 1.20.3
Patch: gitlab.freedesktop.org

Timelineinfo

07/27/2018 🔍
10/25/2018 +90 days 🔍
10/25/2018 +0 days 🔍
10/25/2018 +0 days 🔍
10/25/2018 +0 days 🔍
10/26/2018 +1 days 🔍
10/30/2018 +4 days 🔍
10/31/2018 +1 days 🔍
06/03/2023 +1676 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: RHSA-2018:3410
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-14665 (🔍)
OVAL: 🔍

SecurityTracker: 1041948
SecurityFocus: 105741 - X.Org X Server CVE-2018-14665 Multiple Local Privilege Escalation Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/26/2018 06:48
Updated: 06/03/2023 07:22
Changes: 10/26/2018 06:48 (80), 04/06/2020 16:53 (7), 06/03/2023 07:22 (6)
Complete: 🔍
Cache ID: 18:55A:103

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