Rapid7 Vulnerability & Exploit Database

Ubuntu: (Multiple Advisories) (CVE-2021-3472): X.Org X Server vulnerability

Back to Search

Ubuntu: (Multiple Advisories) (CVE-2021-3472): X.Org X Server vulnerability

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
04/13/2021
Created
04/15/2021
Added
04/14/2021
Modified
07/01/2021

Description

A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Solution(s)

  • ubuntu-upgrade-available
  • ubuntu-upgrade-desktop
  • ubuntu-upgrade-infra
  • ubuntu-upgrade-xserver-xorg-core
  • ubuntu-upgrade-xserver-xorg-core-hwe-16-04
  • ubuntu-upgrade-xserver-xorg-core-hwe-18-04

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

;