Is CVE-2018-12547 in the CISA KEV catalog?

No. CVE-2018-12547 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-12547?

CVE-2018-12547 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-12547?

CVE-2018-12547 has an EPSS score of 2.74% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-12547?

Upgrade openj9 to 0.12.0 or later.

CVE & CISA-KEV Catalog

CVE-2018-12547

CRITICALEPSS 84th pctl

9.8

CVSS v3

NVD

Description

In Eclipse OpenJ9, prior to the 0.12.0 release, the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. This affects existing APIs that called the functions to exceed the allocated buffer. This functions were not directly callable by non-native user code.

CWE-20Improper Input Validation CWE-119Buffer Overflow

How to fix

Remediation Available

openj9NVD

Affected:< 0.12.0Fixed in:0.12.0CVE-2018-12547derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.74%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Exploit1

bugs.eclipse.org

Third-Party Advisory5

Other references1

access.redhat.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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.