Is CVE-2018-4319 in the CISA KEV catalog?

No. CVE-2018-4319 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4319?

CVE-2018-4319 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2018-4319?

CVE-2018-4319 has an EPSS score of 1.07% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4319?

Upgrade webkit2gtk on debian 11 to 2.22.0-2 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2018-4319

HIGH

8.1

CVSS v3

NVD

Description

A cross-origin issue existed with "iframe" elements. This was addressed with improved tracking of security origins. This issue affected versions prior to iOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

CWE-346

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.22.0-2CVE-2018-4319

libjavascriptcoregtk-4.0-18Ubuntu

Fixed in:2.22.2-0ubuntu0.18.04.1USN-3781-1

libwebkit2gtk-4.0-37Ubuntu

Fixed in:2.22.2-0ubuntu0.18.04.1USN-3781-1

webkit2gtkUbuntu

Fixed in:2.22.2-0ubuntu0.18.04.1USN-3781-1

SafariWindows application

Affected:12Fixed in:12Apple Inc.

iCloud (Legacy)Windows application

Affected:7.7Fixed in:7.7Apple Inc.

iTunesWindows application

Affected:12.9Fixed in:12.9Apple Inc.

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.07%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% 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.