CVE-2020-14347 Information

Description

A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00066.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00075.html https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14347 https://lists.debian.org/debian-lts-announce/2020/08/msg00057.html https://lists.x.org/archives/xorg-announce/2020-July/003051.html https://usn.ubuntu.com/4488-1/ https://usn.ubuntu.com/4488-2/ https://www.debian.org/security/2020/dsa-4758 https://www.openwall.com/lists/oss-security/2020/07/31/2

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5