Huawei EulerOS: Security Advisory for xorg-x11-server (EulerOS-SA-2020-1062)

Published: 2020-01-23 13:18:37
CVE Author: NIST National Vulnerability Database (NVD)

CVSS Base Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C

Summary:
The remote host is missing an update for the Huawei EulerOS 'xorg-x11-server' Linux Distribution Package(s) announced via the EulerOS-SA-2020-1062 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
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.(CVE-2018-14665) systemd 242 changes the VT1 mode upon a logout, which allows attackers to read cleartext passwords in certain circumstances, such as watching a shutdown, or using Ctrl-Alt-F1 and Ctrl-Alt-F2. This occurs because the KDGKBMODE (aka current keyboard mode) check is mishandled.(CVE-2018-20839)(CVE-2019-1547)

Affected Versions:
'xorg-x11-server' Linux Distribution Package(s) on Huawei EulerOS Virtualization for ARM 64 3.0.5.0.

Recommendations:
Please install the updated Linux Distribution Package(s).

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2018-14665
https://nvd.nist.gov/vuln/detail/CVE-2018-20839

References:

https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2020-1062

Search
Severity
High
CVSS Score
7.2

You never have to pay for a vulnerability scanning and management software again.

Tired of paying a subscription 'per asset' or 'per IP'? Well you can officially cancel your current subscription. Mageni provides a free, open source and enterprise-ready vulnerability scanning and management platform which helps you to find, prioritize, remediate and manage your vulnerabilities. It is free and always will be.