Is CVE-2018-4249 in the CISA KEV catalog?

No. CVE-2018-4249 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4249?

CVE-2018-4249 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-4249?

CVE-2018-4249 has an EPSS score of 2.22% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4249?

Upgrade apple tv to 11.4 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-4249

HIGHEPSS 81th pctl

7.8

CVSS v3

NVD

Description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves pktmnglr_ipfilter_input in com.apple.packet-mangler in the "Kernel" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (integer overflow and stack-based buffer overflow) via a crafted app.

CWE-190Integer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

apple tvNVD

Affected:< 11.4Fixed in:11.4CVE-2018-4249derived from NVD

iphone osNVD

Affected:< 11.4Fixed in:11.4CVE-2018-4249derived from NVD

mac os xNVD

Affected:< 10.13.5Fixed in:10.13.5CVE-2018-4249derived from NVD

watchosNVD

Affected:< 4.3.1Fixed in:4.3.1CVE-2018-4249derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.22%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Exploit1

lgtm.com

Vendor Advisory4

Third-Party Advisory1

securitytracker.com

Other references1

packetstormsecurity.com

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.