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CVE-2018-19134

7.8 · HIGH

In Artifex Ghostscript through 9.25, the setpattern operator did not properly validate certain types.

Published Dec 20, 2018CWE-704EPSS 2.87%

Overview

CVE-2018-19134 is a high-severity vulnerability. It was published on December 20, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

In Artifex Ghostscript through 9.25, the setpattern operator did not properly validate certain types. A specially crafted PostScript document could exploit this to crash Ghostscript or, possibly, execute arbitrary code in the context of the Ghostscript process. This is a type confusion issue because of failure to check whether the Implementation of a pattern dictionary was a structure type.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=693baf02152119af6e6afd30bb8ec76d14f84bbfRefwww.securityfocus.com/bid/106278Refaccess.redhat.com/errata/RHSA-2018:3834Refbugs.ghostscript.com/show_bug.cgi?id=700141Reflists.debian.org/debian-lts-announce/2018/12/msg00019.htmlRefsemmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdfRefwww.ghostscript.com/doc/9.26/News.htmRefgit.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=693baf02152119af6e6afd30bb8ec76d14f84bbfRefwww.securityfocus.com/bid/106278Refaccess.redhat.com/errata/RHSA-2018:3834

How CyberStrike helps

Frequently asked questions

What is CVE-2018-19134?

CVE-2018-19134 is a high-severity vulnerability. It was published on December 20, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2018-19134?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-19134?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-19134?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-19134 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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