Is CVE-2018-4448 in the CISA KEV catalog?

No. CVE-2018-4448 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4448?

CVE-2018-4448 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-4448?

CVE-2018-4448 has an EPSS score of 0.29% (21th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4448?

Upgrade iphone os to 12.1.1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-4448

MEDIUM

5.5

CVSS v3

NVD

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.1.1, watchOS 5.1.2, macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra, tvOS 12.1.1. A local user may be able to read kernel memory.

How to fix

Remediation Available

iphone osNVD

Affected:< 12.1.1Fixed in:12.1.1CVE-2018-4448derived from NVD

mac os xNVD

Affected:>= 10.13.6, < 10.14.2Fixed in:10.14.2CVE-2018-4448derived from NVD

tvosNVD

Affected:< 12.1.1Fixed in:12.1.1CVE-2018-4448derived from NVD

watchosNVD

Affected:< 5.1.2Fixed in:5.1.2CVE-2018-4448derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.29%probability of exploitation in 30 days

21stpercentile

Low risk: more likely to be exploited than 21% of all known CVEs.

References

Vendor Advisory5

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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.