Executive Summary

Summary
Title X.Org X Server: Privilege escalation
Informations
Name GLSA-201810-09 First vendor Publication 2018-10-30
Vendor Gentoo Last vendor Modification 2018-10-30
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability in X.Org X Server allows local users to escalate privileges.

Background

The X Window System is a graphical windowing system based on a client/server model.

Description

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.

Impact

A local attacker can escalate privileges to root by passing crafted parameters to the X.org X server.

Workaround

There is no known workaround at this time.

Resolution

All X.Org X Server users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-base/xorg-server-1.20.3"

References

[ 1 ] CVE-2018-14665 : https://nvd.nist.gov/vuln/detail/CVE-2018-14665

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201810-09

Original Source

Url : http://security.gentoo.org/glsa/glsa-201810-09.xml

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 170
Os 3
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1

Nessus® Vulnerability Scanner

Date Description
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-4ab08fedd6.nasl - Type : ACT_GATHER_INFO
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-839720583a.nasl - Type : ACT_GATHER_INFO
2018-12-13 Name : The remote AIX host is missing a security patch.
File : aix_IJ11000.nasl - Type : ACT_GATHER_INFO
2018-12-13 Name : The remote AIX host is missing a security patch.
File : aix_IJ11544.nasl - Type : ACT_GATHER_INFO
2018-12-13 Name : The remote AIX host is missing a security patch.
File : aix_IJ11545.nasl - Type : ACT_GATHER_INFO
2018-12-13 Name : The remote AIX host is missing a security patch.
File : aix_IJ11546.nasl - Type : ACT_GATHER_INFO
2018-12-13 Name : The remote AIX host is missing a security patch.
File : aix_IJ11547.nasl - Type : ACT_GATHER_INFO
2018-12-13 Name : The remote AIX host is missing a security patch.
File : aix_IJ11549.nasl - Type : ACT_GATHER_INFO
2018-12-13 Name : The remote AIX host is missing a security patch.
File : aix_IJ11550.nasl - Type : ACT_GATHER_INFO
2018-12-13 Name : The remote AIX host is missing a security patch.
File : aix_IJ11551.nasl - Type : ACT_GATHER_INFO
2018-11-16 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2018-3410.nasl - Type : ACT_GATHER_INFO
2018-10-31 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201810-09.nasl - Type : ACT_GATHER_INFO
2018-10-29 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4328.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2019-01-24 21:21:41
  • Multiple Updates
2018-10-31 00:18:53
  • First insertion