Is CVE-2018-17159 in the CISA KEV catalog?

No. CVE-2018-17159 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-17159?

CVE-2018-17159 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-17159?

CVE-2018-17159 has an EPSS score of 4.21% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-17159?

Upgrade freebsd to 11.2 or later.

CVE & CISA-KEV Catalog

CVE-2018-17159

HIGHEPSS 90th pctl

7.5

CVSS v3

NVD

Description

In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, the NFS server lacks a bounds check in the READDIRPLUS NFS request. Unprivileged remote users with access to the NFS server can cause a resource exhaustion by forcing the server to allocate an arbitrarily large memory allocation.

CWE-400Resource Exhaustion

How to fix

Remediation Available

freebsdNVD

Affected:< 11.2Fixed in:11.2CVE-2018-17159derived 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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

4.21%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Third-Party Advisory4

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	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.