CVE-2017-15394

A URL spoofing flaw has been found in the extensions UI of the Chromium browser < 62.0.3202.62.

An IDN homograph attack demo in Chromium through extensions.

  1. Load unpacked extension into Chrome
  2. View extension details and observe lack of punycode

Impact

An attacker would leverage this weakness to aid in deception attacks by coercing a victim into granting the extension permissions to an unexpected domain.

Patch

Released October 17, 2017: https://chromereleases.googleblog.com/2017/10/stable-channel-update-for-desktop.html