What is CVE-2018-4277?

CVE-2018-4277 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-01-11.

How severe is CVE-2018-4277?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-4277 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Apple Iphone OS

CVE-2018-4277

In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High Sierra before 10.13.6, a spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.019 (77.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

deadcyph3r/Awesome-Collection

References

product-security@apple.com (x_refsource_CONFIRM)
product-security@apple.com (x_refsource_CONFIRM)
product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
product-security@apple.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
product-security@apple.com (x_refsource_CONFIRM)
product-security@apple.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2018-4277?: CVE-2018-4277 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-01-11.
How severe is CVE-2018-4277?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-4277 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.