The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of X.Org Xserver: information disclosure via AllocatePixmap

Synthesis of the vulnerability 

A local attacker can read a memory fragment via AllocatePixmap() of X.Org Xserver, in order to obtain sensitive information.
Vulnerable systems: Debian, OpenBSD, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu, XOrg Bundle ~ not comprehensive.
Severity of this threat: 1/4.
Creation date: 03/08/2020.
Références of this weakness: CVE-2020-14347, DLA-2359-1, DSA-4758-1, openSUSE-SU-2020:1279-1, openSUSE-SU-2020:1302-1, SUSE-SU-2020:14463-1, 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, USN-4488-1, USN-4488-2, VIGILANCE-VUL-32990, ZDI-20-934.

Description of the vulnerability 

A local attacker can read a memory fragment via AllocatePixmap() of X.Org Xserver, in order to obtain sensitive information.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer vulnerability announce impacts software or systems such as Debian, OpenBSD, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu, XOrg Bundle ~ not comprehensive.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is low.

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

An attacker with a expert ability can exploit this threat alert.

Solutions for this threat 

X.Org Xserver: version 1.20.9.
The version 1.20.9 is fixed:
  https://gitlab.freedesktop.org/xorg/xserver/-/tags

X.Org Xserver: patch for AllocatePixmap.
A patch is indicated in information sources.

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 xserver.
A patch is available:
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/038_dix.patch.sig
  https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/017_dix.patch.sig

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

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: 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

Wind River Linux: version 10.18.44.19.
The version 10.18.44.19 is fixed:
  https://support2.windriver.com/index.php?page=cve&on=list&show=50&product_id=1&product_version%5B0%5D=23&id_status%5B0%5D=4&cve_id_filter=&s=&submit=&order_by=cve_modified_date&order_way=desc#list
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides an application vulnerability workaround. Each administrator can customize the list of products for which he wants to receive vulnerability alerts.