Vulnerability of Ghostscript: code execution via Charkeys dSAFER Escape

Synthesis of the vulnerability

An attacker can use a vulnerability via Charkeys dSAFER Escape of Ghostscript, in order to run code.
Severity of this threat: 2/4.
Creation date: 15/11/2019.
Références of this weakness: CVE-2019-14869, DLA-1992-1, DSA-4569-1, FEDORA-2019-17f42f585a, FEDORA-2019-6cdb10aa59, FEDORA-2019-7debdd1807, openSUSE-SU-2019:2534-1, openSUSE-SU-2019:2535-1, RHSA-2019:3888-01, RHSA-2019:3890-01, SUSE-SU-2019:2981-1, SUSE-SU-2019:2983-1, USN-4193-1, VIGILANCE-VUL-30872.

Description of the vulnerability

An attacker can use a vulnerability via Charkeys dSAFER Escape of Ghostscript, in order to run code.
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This weakness alert impacts software or systems such as Debian, Fedora, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer vulnerability note is medium.

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

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

Solutions for this threat

Debian 8: new ghostscript packages.
New packages are available:
  Debian 8: ghostscript 9.26a~dfsg-0+deb8u6

Debian 9/10: new ghostscript packages.
New packages are available:
  Debian 9: ghostscript 9.26a~dfsg-0+deb9u6
  Debian 10: ghostscript 9.27~dfsg-2+deb10u3

Fedora: new ghostscript packages.
New packages are available:
  Fedora 29: ghostscript 9.27-2.fc29
  Fedora 30: ghostscript 9.27-2.fc30
  Fedora 31: ghostscript 9.27-2.fc31

openSUSE Leap 15: new ghostscript packages.
New packages are available:
  openSUSE Leap 15.0: ghostscript 9.27-lp150.2.26.1
  openSUSE Leap 15.1: ghostscript 9.27-lp151.3.9.1

RHEL 7.7: new ghostscript packages.
New packages are available:
  RHEL 7: ghostscript 9.25-2.el7_7.3

RHEL 8.1: new ghostscript packages.
New packages are available:
  RHEL 8.1: ghostscript 9.25-5.el8_1.1

SUSE LE: new ghostscript packages.
New packages are available:
  SUSE LE 12 SP1: ghostscript 9.27-23.31.1
  SUSE LE 12 SP2: ghostscript 9.27-23.31.1
  SUSE LE 12 SP3: ghostscript 9.27-23.31.1
  SUSE LE 12 SP4: ghostscript 9.27-23.31.1
  SUSE LE 12 SP5: ghostscript 9.27-23.31.1
  SUSE LE 15 RTM: ghostscript 9.27-3.24.1
  SUSE LE 15 SP1: ghostscript 9.27-3.24.1

Ubuntu: new ghostscript packages.
New packages are available:
  Ubuntu 19.10: ghostscript 9.27~dfsg+0-0ubuntu3.1, libgs9 9.27~dfsg+0-0ubuntu3.1
  Ubuntu 19.04: ghostscript 9.26~dfsg+0-0ubuntu7.4, libgs9 9.26~dfsg+0-0ubuntu7.4
  Ubuntu 18.04 LTS: ghostscript 9.26~dfsg+0-0ubuntu0.18.04.12, libgs9 9.26~dfsg+0-0ubuntu0.18.04.12
  Ubuntu 16.04 LTS: ghostscript 9.26~dfsg+0-0ubuntu0.16.04.12, libgs9 9.26~dfsg+0-0ubuntu0.16.04.12
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