Rapid7 Vulnerability & Exploit Database

Amazon Linux AMI 2: CVE-2018-15857: Security patch for xorg-x11-server (ALAS-2020-1433)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Amazon Linux AMI 2: CVE-2018-15857: Security patch for xorg-x11-server (ALAS-2020-1433)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
08/25/2018
Created
06/05/2020
Added
06/04/2020
Modified
09/30/2022

Description

An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1 could be used by local attackers to crash xkbcommon keymap parsers or possibly have unspecified other impact by supplying a crafted keymap file.

Solution(s)

  • amazon-linux-ami-2-upgrade-xorg-x11-server-common
  • amazon-linux-ami-2-upgrade-xorg-x11-server-debuginfo
  • amazon-linux-ami-2-upgrade-xorg-x11-server-devel
  • amazon-linux-ami-2-upgrade-xorg-x11-server-source
  • amazon-linux-ami-2-upgrade-xorg-x11-server-xdmx
  • amazon-linux-ami-2-upgrade-xorg-x11-server-xephyr
  • amazon-linux-ami-2-upgrade-xorg-x11-server-xnest
  • amazon-linux-ami-2-upgrade-xorg-x11-server-xorg
  • amazon-linux-ami-2-upgrade-xorg-x11-server-xvfb
  • amazon-linux-ami-2-upgrade-xorg-x11-server-xwayland

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;