Missing Authentication for Critical Function Affecting libx11 package, versions *


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.31% (24th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UBUNTU1204-LIBX11-1040680
  • published17 Nov 2020
  • disclosed26 May 2021

Introduced: 17 Nov 2020

CVE-2020-25697  (opens in a new tab)
CWE-306  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:12.04 libx11.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libx11 package and not the libx11 package as distributed by Ubuntu. See How to fix? for Ubuntu:12.04 relevant fixed versions and status.

A privilege escalation flaw was found in the Xorg-x11-server due to a lack of authentication for X11 clients. This flaw allows an attacker to take control of an X application by impersonating the server it is expecting to connect to.

CVSS Base Scores

version 3.1