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Vulnerability of ImageMagick: NULL pointer dereference via CheckEventLogging

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via CheckEventLogging() of ImageMagick, in order to trigger a denial of service.
Vulnerable products: openSUSE Leap, Solaris, RHEL, SLES.
Severity of this weakness: 2/4.
Creation date: 03/10/2018.
Références of this bulletin: bulletinoct2018, CVE-2018-16328, openSUSE-SU-2018:3014-1, RHSA-2020:1180-01, SUSE-SU-2018:2977-1, VIGILANCE-VUL-27384.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via CheckEventLogging() of ImageMagick, in order to trigger a denial of service.
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This weakness impacts software or systems such as openSUSE Leap, Solaris, RHEL, SLES.

Our Vigil@nce team determined that the severity of this vulnerability announce 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 threat bulletin.

Solutions for this threat 

openSUSE Leap 15.0: new ImageMagick packages.
New packages are available:
  openSUSE Leap 15.0: ImageMagick 7.0.7.34-lp150.2.15.1

Oracle Solaris: patch for third party software of October 2018 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 7: new ImageMagick packages.
New packages are available:
  RHEL 7.0-7.7: ImageMagick 6.9.10.68-3.el7

SUSE LE 15: new ImageMagick packages.
New packages are available:
  SUSE LE 15 RTM: ImageMagick 7.0.7.34-3.24.1

Wind River Linux: solution (28/11/2018).
The solution is indicated in information sources.
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