Is CVE-2018-14343 in the CISA KEV catalog?

No. CVE-2018-14343 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-14343?

CVE-2018-14343 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-14343?

CVE-2018-14343 has an EPSS score of 3.35% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-14343?

Upgrade wireshark on debian 11 to 2.6.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-14343

HIGHEPSS 87th pctl

7.5

CVSS v3

NVD

Description

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.

CWE-190Integer Overflow

How to fix

Remediation Available

wiresharkDebian

Fixed in:2.6.2-1CVE-2018-14343

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

3.35%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory3

Other references2

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	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.