CVE-2020-14347

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Affected Products (NVD)
VendorProductVersion
x.orgx_server
𝑥
< 1.20.9
debiandebian_linux
9.0
debiandebian_linux
10.0
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
20.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xorg-server
bookworm
2:21.1.7-3+deb12u7
fixed
bookworm (security)
2:21.1.7-3+deb12u8
fixed
bullseye
2:1.20.11-1+deb11u13
fixed
bullseye (security)
2:1.20.11-1+deb11u14
fixed
sid
2:21.1.14-1
fixed
trixie
2:21.1.14-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xorg
bionic
not-affected
focal
not-affected
trusty
dne
xenial
not-affected
xorg-hwe-16.04
bionic
dne
focal
dne
trusty
dne
xenial
not-affected
xorg-server
bionic
Fixed 2:1.19.6-1ubuntu4.5
released
focal
Fixed 2:1.20.8-2ubuntu2.3
released
trusty
Fixed 2:1.15.1-0ubuntu2.11+esm2
released
xenial
Fixed 2:1.18.4-0ubuntu0.9
released
xorg-server-hwe-16.04
bionic
dne
focal
dne
trusty
dne
xenial
Fixed 2:1.19.6-1ubuntu4.1~16.04.3
released
xorg-server-hwe-18.04
bionic
Fixed 2:1.20.8-2ubuntu2.2~18.04.2
released
focal
dne
trusty
dne
xenial
dne
xorg-server-lts-utopic
bionic
dne
focal
dne
trusty
dne
xenial
dne
xorg-server-lts-vivid
bionic
dne
focal
dne
trusty
dne
xenial
dne
xorg-server-lts-wily
bionic
dne
focal
dne
trusty
dne
xenial
dne
xorg-server-lts-xenial
bionic
dne
focal
dne
trusty
dne
xenial
dne
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
xorg-x11-server
suse enterprise desktop 15 SP1
1.20.3-14.5.1
fixed
suse enterprise desktop 15 SP2
1.20.3-22.5.1
fixed
suse enterprise desktop 15 SP3
1.20.3-22.5.1
fixed
suse enterprise desktop 15 SP4
1.20.3-150400.36.7
fixed
suse enterprise desktop 15 SP5
21.1.4-150500.5.1
fixed
suse enterprise desktop 15 SP6
21.1.11-150600.3.2
fixed
suse enterprise desktop 15 SP7
21.1.15-150700.3.2
fixed
suse enterprise sap 12 SP5
1.19.6-10.8.1
fixed
suse enterprise sap 15 SP1
1.20.3-14.5.1
fixed
suse enterprise sap 15 SP2
1.20.3-22.5.1
fixed
suse enterprise sap 15 SP3
1.20.3-22.5.1
fixed
suse enterprise sap 15 SP4
1.20.3-150400.36.7
fixed
suse enterprise sap 15 SP5
21.1.4-150500.5.1
fixed
suse enterprise sap 15 SP6
21.1.11-150600.3.2
fixed
suse enterprise sap 15 SP7
21.1.15-150700.3.2
fixed
suse enterprise server 12 SP4
1.19.6-4.8.1
fixed
suse enterprise server 12 SP5
1.19.6-10.8.1
fixed
suse enterprise server 15
1.19.6-8.16.1
fixed
suse enterprise server 15 SP1
1.20.3-14.5.1
fixed
suse enterprise server 15 SP2
1.20.3-22.5.1
fixed
suse enterprise server 15 SP3
1.20.3-22.5.1
fixed
suse enterprise server 15 SP4
1.20.3-150400.36.7
fixed
suse enterprise server 15 SP5
21.1.4-150500.5.1
fixed
suse enterprise server 15 SP6
21.1.11-150600.3.2
fixed
suse enterprise server 15 SP7
21.1.15-150700.3.2
fixed
xorg-x11-server-Xvfb
suse enterprise desktop 15 SP5
21.1.4-150500.5.1
fixed
suse enterprise desktop 15 SP6
21.1.11-150600.3.2
fixed
suse enterprise desktop 15 SP7
21.1.15-150700.3.2
fixed
suse enterprise sap 15 SP5
21.1.4-150500.5.1
fixed
suse enterprise sap 15 SP6
21.1.11-150600.3.2
fixed
suse enterprise sap 15 SP7
21.1.15-150700.3.2
fixed
suse enterprise server 15 SP5
21.1.4-150500.5.1
fixed
suse enterprise server 15 SP6
21.1.11-150600.3.2
fixed
suse enterprise server 15 SP7
21.1.15-150700.3.2
fixed
xorg-x11-server-extra
suse enterprise desktop 15 SP1
1.20.3-14.5.1
fixed
suse enterprise desktop 15 SP2
1.20.3-22.5.1
fixed
suse enterprise desktop 15 SP3
1.20.3-22.5.1
fixed
suse enterprise desktop 15 SP4
1.20.3-150400.36.7
fixed
suse enterprise desktop 15 SP5
21.1.4-150500.5.1
fixed
suse enterprise desktop 15 SP6
21.1.11-150600.3.2
fixed
suse enterprise desktop 15 SP7
21.1.15-150700.3.2
fixed
suse enterprise sap 12 SP5
1.19.6-10.8.1
fixed
suse enterprise sap 15 SP1
1.20.3-14.5.1
fixed
suse enterprise sap 15 SP2
1.20.3-22.5.1
fixed
suse enterprise sap 15 SP3
1.20.3-22.5.1
fixed
suse enterprise sap 15 SP4
1.20.3-150400.36.7
fixed
suse enterprise sap 15 SP5
21.1.4-150500.5.1
fixed
suse enterprise sap 15 SP6
21.1.11-150600.3.2
fixed
suse enterprise sap 15 SP7
21.1.15-150700.3.2
fixed
suse enterprise server 12 SP4
1.19.6-4.8.1
fixed
suse enterprise server 12 SP5
1.19.6-10.8.1
fixed
suse enterprise server 15
1.19.6-8.16.1
fixed
suse enterprise server 15 SP1
1.20.3-14.5.1
fixed
suse enterprise server 15 SP2
1.20.3-22.5.1
fixed
suse enterprise server 15 SP3
1.20.3-22.5.1
fixed
suse enterprise server 15 SP4
1.20.3-150400.36.7
fixed
suse enterprise server 15 SP5
21.1.4-150500.5.1
fixed
suse enterprise server 15 SP6
21.1.11-150600.3.2
fixed
suse enterprise server 15 SP7
21.1.15-150700.3.2
fixed
xorg-x11-server-sdk
suse enterprise server 15
1.19.6-8.16.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
egl-wayland
RHEL 8
0:1.1.5-3.el8
fixed
libX11
RHEL 8
0:1.6.8-4.el8
fixed
libX11-common
RHEL 8
0:1.6.8-4.el8
fixed
libX11-devel
RHEL 8
0:1.6.8-4.el8
fixed
libX11-xcb
RHEL 8
0:1.6.8-4.el8
fixed
libdrm
RHEL 8
0:2.4.103-1.el8
fixed
libdrm-devel
RHEL 8
0:2.4.103-1.el8
fixed
libglvnd
RHEL 8
1:1.3.2-1.el8
fixed
libglvnd-core-devel
RHEL 8
1:1.3.2-1.el8
fixed
libglvnd-devel
RHEL 8
1:1.3.2-1.el8
fixed
libglvnd-egl
RHEL 8
1:1.3.2-1.el8
fixed
libglvnd-gles
RHEL 8
1:1.3.2-1.el8
fixed
libglvnd-glx
RHEL 8
1:1.3.2-1.el8
fixed
libglvnd-opengl
RHEL 8
1:1.3.2-1.el8
fixed
libinput
RHEL 8
0:1.16.3-1.el8
fixed
libinput-devel
RHEL 8
0:1.16.3-1.el8
fixed
libinput-utils
RHEL 8
0:1.16.3-1.el8
fixed
libwacom
RHEL 8
0:1.6-2.el8
fixed
libwacom-data
RHEL 8
0:1.6-2.el8
fixed
libwacom-devel
RHEL 8
0:1.6-2.el8
fixed
mesa-dri-drivers
RHEL 8
0:20.3.3-2.el8
fixed
mesa-filesystem
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libEGL
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libEGL-devel
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libGL
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libGL-devel
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libOSMesa
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libOSMesa-devel
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libgbm
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libgbm-devel
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libglapi
RHEL 8
0:20.3.3-2.el8
fixed
mesa-libxatracker
RHEL 8
0:20.3.3-2.el8
fixed
mesa-vdpau-drivers
RHEL 8
0:20.3.3-2.el8
fixed
mesa-vulkan-devel
RHEL 8
0:20.3.3-2.el8
fixed
mesa-vulkan-drivers
RHEL 8
0:20.3.3-2.el8
fixed
xorg-x11-drivers
RHEL 8
0:7.7-30.el8
fixed
xorg-x11-server-Xdmx
RHEL 7
0:1.20.4-15.el7_9
fixed
RHEL 8
0:1.20.10-1.el8
fixed
xorg-x11-server-Xephyr
RHEL 7
0:1.20.4-15.el7_9
fixed
RHEL 8
0:1.20.10-1.el8
fixed
xorg-x11-server-Xnest
RHEL 7
0:1.20.4-15.el7_9
fixed
RHEL 8
0:1.20.10-1.el8
fixed
xorg-x11-server-Xorg
RHEL 7
0:1.20.4-15.el7_9
fixed
RHEL 8
0:1.20.10-1.el8
fixed
xorg-x11-server-Xvfb
RHEL 7
0:1.20.4-15.el7_9
fixed
RHEL 8
0:1.20.10-1.el8
fixed
xorg-x11-server-Xwayland
RHEL 7
0:1.20.4-15.el7_9
fixed
RHEL 8
0:1.20.10-1.el8
fixed
xorg-x11-server-common
RHEL 7
0:1.20.4-15.el7_9
fixed
RHEL 8
0:1.20.10-1.el8
fixed
xorg-x11-server-devel
RHEL 7
0:1.20.4-15.el7_9
fixed
RHEL 8
0:1.20.10-1.el8
fixed
xorg-x11-server-source
RHEL 7
0:1.20.4-15.el7_9
fixed
RHEL 8
0:1.20.10-1.el8
fixed
Common Weakness Enumeration
References
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://security.gentoo.org/glsa/202012-01
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
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://security.gentoo.org/glsa/202012-01
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