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CVE-2019-3839

7.8 · HIGH

It was found that in ghostscript some privileged operators remained accessible from various places after the CVE-2019-6116 fix.

Published May 16, 2019CWE-648EPSS 1.76%

Overview

CVE-2019-3839 is a high-severity vulnerability. It was published on May 16, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 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

It was found that in ghostscript some privileged operators remained accessible from various places after the CVE-2019-6116 fix. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER. Ghostscript versions before 9.27 are vulnerable.

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=4ec9ca74bed49f2a82acb4bf430eae0d8b3b75c9Reflists.opensuse.org/opensuse-security-announce/2019-09/msg00088.htmlReflists.opensuse.org/opensuse-security-announce/2019-09/msg00090.htmlRefaccess.redhat.com/errata/RHSA-2019:0971Refaccess.redhat.com/errata/RHSA-2019:1017Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3839Reflists.debian.org/debian-lts-announce/2019/05/msg00023.htmlReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6AATIHU32MYKUOXQDJQU4X4DDVL7NAY3/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZP34D27RKYV2POJ3NJLSVCHUA5V5C45A/Refseclists.org/bugtraq/2019/May/23

How CyberStrike helps

Frequently asked questions

What is CVE-2019-3839?

CVE-2019-3839 is a high-severity vulnerability. It was published on May 16, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2019-3839?

This vulnerability has a CVSS 3.1 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-2019-3839?

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-2019-3839?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-3839 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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