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Fencer Intel
medium 6.5

CVE-2018-18349 json

Remote frame navigations was incorrectly permitted to local resources in Blink in Google Chrome prior to 71.0.3578.80 allowed an attacker w…

published 7y ago modified 4mo ago also EUVD-2018-10080

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

Remote frame navigations was incorrectly permitted to local resources in Blink in Google Chrome prior to 71.0.3578.80 allowed an attacker who convinced a user to install a malicious extension to access files on the local file system via a crafted Chrome Extension.

Patch / fix

  • Google Chrome 71.0.3578.80
  • chromium Debian 14, Debian 13, Debian 12 71.0.3578.80-1

debian advisories DEBIAN-CVE-2018-18349

  • chromium-browser Ubuntu 16.04 LTS 71.0.3578.80-0ubuntu0.16.04.1
  • chromium-browser Ubuntu 18.04 LTS 71.0.3578.80-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-18349

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 71.0.3578.80-1.el6_10

red hat advisories RHSA-2018:3803

  • chromium openSUSE Tumbleweed 93.0.4577.82-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • chromium Package Hub 12 SP2 71.0.3578.98-80.1

opensuse advisories openSUSE-SU-2024:10681-1openSUSE-SU-2024:12948-1openSUSE-SU-2018:4143-1

  • chromium Arch Linux 71.0.3578.80-1

arch linux advisories AVG-824

Is CVE-2018-18349 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2018-18349 updated cvss 6.5

chromium-browser: Insufficient policy enforcement in Blink

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 71.0.3578.80-1.el6_10 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 71.0.3578.80-1.el6_10 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 71.0.3578.80-1.el6_10
    fixed: vendor fix RHSA-2018:3803

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

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Affected products

  • Google Chrome

Classification

Weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource
Technology feeds

References

Sources

Fencer Intel 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.