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Fencer Vulns
medium 6.5

CVE-2018-4117 json

An issue was discovered in certain Apple products.

published 2018-04-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15903

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

An issue was discovered in certain Apple products. iOS before 11.3 is affected. Safari before 11.1 is affected. iCloud before 7.4 on Windows is affected. iTunes before 12.7.4 on Windows is affected. watchOS before 4.3 is affected. The issue involves the fetch API in the "WebKit" component. It allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site.

Patch / fix

  • apple safari 11.1
  • apple icloud 7.4
  • apple itunes 12.7.4
  • webkitgtk webkitgtk+ 2.20.4
  • apple iphone_os 11.3
  • apple watchos 4.3
  • webkit2gtk Debian 14, Debian 13, Debian 12 2.20.0-2

debian advisories DEBIAN-CVE-2018-4117

  • webkit2gtk Ubuntu 16.04 LTS 2.20.1-0ubuntu0.16.04.1
  • chromium-browser Ubuntu 16.04 LTS 68.0.3440.75-0ubuntu0.16.04.1
  • chromium-browser Ubuntu 18.04 LTS 68.0.3440.75-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-4117

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium-browser RHEL 6 EXTRAS 68.0.3440.75-1.el6_10

red hat advisories RHSA-2018:2282

  • webkit2gtk3 SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +2 more 2.20.3-2.23.8

suse advisories SUSE-SU-2018:3387-1

  • chromium openSUSE Tumbleweed 93.0.4577.82-1.1
  • gtk3 openSUSE Tumbleweed 2.32.4-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1

opensuse advisories openSUSE-SU-2024:10681-1openSUSE-SU-2024:11506-1openSUSE-SU-2024:12948-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-4117 updated cvss 6.5

chromium-browser: Cross origin information leak in Blink

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 68.0.3440.75-1.el6_10 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 68.0.3440.75-1.el6_10 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 68.0.3440.75-1.el6_10
    fixed: vendor fix RHSA-2018:2282

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.00% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.