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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25697
Reference (s):
- http://www.openwall.com/lists/oss-security/2020/11/09/3
- URL: http://www.openwall.com/lists/oss-security/2020/11/09/3
- https://bugzilla.redhat.com/show_bug.cgi?id=1895295
- URL: https://bugzilla.redhat.com/show_bug.cgi?id=1895295
- https://seclists.org/oss-sec/2020/q4/105