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Vulnerability of X.Org Xserver Extensions: four vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of X.Org Xserver Extensions.
Vulnerable software: Debian, OpenBSD, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu, Unix (platform) ~ not comprehensive, XOrg Bundle ~ not comprehensive.
Severity of this announce: 2/4.
Number of vulnerabilities in this bulletin: 4.
Creation date: 25/08/2020.
Références of this computer vulnerability: CVE-2020-14345, CVE-2020-14346, CVE-2020-14361, CVE-2020-14362, DLA-2359-1, DSA-4758-1, openSUSE-SU-2020:1279-1, openSUSE-SU-2020:1302-1, openSUSE-SU-2020:1374-1, openSUSE-SU-2020:1376-1, RHSA-2020:4910-01, RHSA-2020:4953-01, SUSE-SU-2020:14463-1, SUSE-SU-2020:14475-1, SUSE-SU-2020:2240-1, SUSE-SU-2020:2241-1, SUSE-SU-2020:2242-1, SUSE-SU-2020:2325-1, SUSE-SU-2020:2326-1, SUSE-SU-2020:2331-1, SUSE-SU-2020:2398-1, SUSE-SU-2020:2399-1, SUSE-SU-2020:2401-1, SUSE-SU-2020:2407-1, SUSE-SU-2020:2452-1, SUSE-SU-2020:2481-1, USN-4488-1, USN-4488-2, USN-4490-1, VIGILANCE-VUL-33145.

Description of the vulnerability 

An attacker can use several vulnerabilities of X.Org Xserver Extensions.
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This cybersecurity alert impacts software or systems such as Debian, OpenBSD, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu, Unix (platform) ~ not comprehensive, XOrg Bundle ~ not comprehensive.

Our Vigil@nce team determined that the severity of this weakness is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

This bulletin is about 4 vulnerabilities.

An attacker with a expert ability can exploit this security weakness.

Solutions for this threat 

xorg-server: version 1.20.9.
The version 1.20.9 is fixed:
  https://xorg.freedesktop.org/archive/individual/xserver/xorg-server-1.20.9.tar.bz2
  https://gitlab.freedesktop.org/xorg/xserver.git

xorg-server: patch.
A patch is available:
  https://gitlab.freedesktop.org/xorg/xserver/-/commit/f7cd1276bbd4fe3a9700096dec33b52b8440788d
  https://gitlab.freedesktop.org/xorg/xserver/-/commit/c940cc8b6c0a2983c1ec974f1b3f019795dd4cff
  https://gitlab.freedesktop.org/xorg/xserver/-/commit/144849ea27230962227e62a943b399e2ab304787
  https://gitlab.freedesktop.org/xorg/xserver/-/commit/2902b78535ecc6821cc027351818b28a5c7fdbdc

Debian 10: new xorg-server packages.
New packages are available:
  Debian 10: xorg-server 2:1.20.4-1+deb10u1

Debian 9: new xorg-server packages.
New packages are available:
  Debian 9: xorg-server 2:1.19.2-1+deb9u6

OpenBSD: patch for X Server Extensions.
A patch is available:
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/041_xserverlen.patch.sig
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/022_xserverlen.patch.sig

openSUSE Leap 15: new xorg-x11-server packages (07/09/2020).
New packages are available:
  openSUSE Leap 15.1: xorg-x11-server 1.20.3-lp151.4.6.1
  openSUSE Leap 15.2: xorg-x11-server 1.20.3-lp152.8.6.1

openSUSE Leap 15: new xorg-x11-server packages (31/08/2020).
New packages are available:
  openSUSE Leap 15.1: xorg-x11-server 1.20.3-lp151.4.3.1
  openSUSE Leap 15.2: xorg-x11-server 1.20.3-lp152.8.3.1

RHEL 6.10: new xorg-x11-server packages.
New packages are available:
  RHEL 6.10: xorg-x11-server 1.17.4-18.el6_10

RHEL 7.9: new xorg-x11-server packages.
New packages are available:
  RHEL 7.9: xorg-x11-server 1.20.4-12.el7_9

SUSE LE 12 SP2-3: new xorg-x11-server packages.
New packages are available:
  SUSE LE 12 SP2: xorg-x11-server 7.6_1.18.3-76.26.1
  SUSE LE 12 SP3: xorg-x11-server 7.6_1.18.3-76.26.1

SUSE LE 15 SP1: new xorg-x11-server packages.
New packages are available:
  SUSE LE 15 SP1: xorg-x11-server 1.20.3-14.5.5.2

SUSE LE 15 SP2: new xorg-x11-server packages.
New packages are available:
  SUSE LE 15 SP2: xorg-x11-server 1.20.3-22.5.5.1

SUSE LE: new xorg-x11-server packages (01/09/2020).
New packages are available:
  SUSE LE 11 SP3: xorg-x11-server 7.4-27.122.29.1
  SUSE LE 11 SP4: xorg-x11-server 7.4-27.122.29.1
  SUSE LE 12 SP2: xorg-x11-server 7.6_1.18.3-76.29.1
  SUSE LE 12 SP3: xorg-x11-server 7.6_1.18.3-76.29.1
  SUSE LE 12 SP4: xorg-x11-server 1.19.6-4.11.1
  SUSE LE 12 SP5: xorg-x11-server 1.19.6-10.12.1
  SUSE LE 15 RTM: xorg-x11-server 1.19.6-8.19.1

SUSE LE: new xorg-x11-server packages (26/08/2020).
New packages are available:
  SUSE LE 11 SP3: xorg-x11-server 7.4-27.122.26.1
  SUSE LE 11 SP4: xorg-x11-server 7.4-27.122.26.1
  SUSE LE 12 SP4: xorg-x11-server 1.19.6-4.8.1
  SUSE LE 12 SP5: xorg-x11-server 1.19.6-10.8.1
  SUSE LE 15 RTM: xorg-x11-server 1.19.6-8.16.1
  SUSE LE 15 SP1: xorg-x11-server 1.20.3-14.5.1
  SUSE LE 15 SP2: xorg-x11-server 1.20.3-22.5.1

Ubuntu: new xserver-xorg-core packages (02/09/2020).
New packages are available:
  Ubuntu 14.04 ESM: xserver-xorg-core 2:1.15.1-0ubuntu2.11+esm2
  Ubuntu 16.04 LTS: xserver-xorg-core 2:1.18.4-0ubuntu0.9
  Ubuntu 18.04 LTS: xserver-xorg-core 2:1.19.6-1ubuntu4.5
  Ubuntu 20.04 LTS: xserver-xorg-core 2:1.20.8-2ubuntu2.3

Ubuntu: new xserver-xorg-core packages (08/09/2020).
New packages are available:
  Ubuntu 20.04 LTS: xserver-xorg-core 2:1.20.8-2ubuntu2.4
  Ubuntu 18.04 LTS: xserver-xorg-core 2:1.19.6-1ubuntu4.6
  Ubuntu 16.04 LTS: xserver-xorg-core 2:1.18.4-0ubuntu0.10
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