Is CVE-2018-16863 in the CISA KEV catalog?

No. CVE-2018-16863 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16863?

CVE-2018-16863 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2018-16863?

CVE-2018-16863 has an EPSS score of 1.25% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2018-16863?

No published fix for CVE-2018-16863 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2018-16863

HIGH

7.3

CVSS v3

NVD

Description

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.

CWE-184 CWE-78OS Command Injection

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploit Intelligence

1.25%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Third-Party Advisory1

access.redhat.com

Other references4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.