CWE
184 78
Advisory Published
CVE Published
Updated

CVE-2018-16863: OS Command Injection

First published: Fri Nov 23 2018(Updated: )

It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to, for example, execute arbitrary shell commands via a specially crafted PostScript document. This only affects ghostscript 9.07 as shipped with Red Hat Enterprise Linux 7.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Artifex Ghostscript=9.07
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=7.6
Redhat Enterprise Linux Server Eus=7.6
Redhat Enterprise Linux Server Tus=7.6
Redhat Enterprise Linux Workstation=7.0

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Frequently Asked Questions

  • What is CVE-2018-16863?

    CVE-2018-16863 is a vulnerability that allows an attacker to execute arbitrary shell commands via a specially crafted PostScript document in Ghostscript version 9.07.

  • How severe is CVE-2018-16863?

    CVE-2018-16863 has a severity rating of 7.8 (Critical).

  • Which software versions are affected by CVE-2018-16863?

    Ghostscript version 9.07 and Red Hat Enterprise Linux versions 7.0, 7.6, and 7.6 (Aus, Eus, Tus) are affected by CVE-2018-16863.

  • How can an attacker exploit CVE-2018-16863?

    An attacker can exploit CVE-2018-16863 by exploiting another variant of a previously fixed flaw in RHSA-2018:2918 and bypassing the -dSAFER protection in order to execute arbitrary shell commands.

  • How can I fix CVE-2018-16863?

    To fix CVE-2018-16863, it is recommended to update to a patched version of Ghostscript and Red Hat Enterprise Linux, as provided by the respective vendors.

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