firefox: The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar
CVE-2019-11721 is fixed in 4 products on 1 platform, first by firefox 68.0+build3-0ubuntu0.18.04.1, released July 10, 2019. It is not reported as exploited. Patch Radar priority: Routine.
The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as punycode text, allowing for user confusion. This vulnerability affects Firefox < 68.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 68.0+build3-0ubuntu0.18.04.1 | firefox 68.0+build3-0ubuntu0.18.04.1 | Jul 10, 2019 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 68.0+build3-0ubuntu0.18.04.1 | firefox-geckodriver 68.0+build3-0ubuntu0.18.04.1 | Jul 10, 2019 |
| firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 68.0+build3-0ubuntu0.18.04.1 | firefox-globalmenu 68.0+build3-0ubuntu0.18.04.1 | Jul 10, 2019 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 68.0+build3-0ubuntu0.18.04.1 | firefox-mozsymbols 68.0+build3-0ubuntu0.18.04.1 | Jul 10, 2019 |
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