CVE-2019-11721 — Vulnetix

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CVE-2019-11721 PUBLISHED

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.

EPSS 0.57% · 68.5th percentile

Risk Scores

EPSS Score

0.57%

68.5th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	firefox	*, 41.0.2+build2-0ubuntu1, 44.0+build3-0ubuntu2
Ubuntu:18.04:LTS	mozjs52	0, 52.3.1-0ubuntu3, 52.3.1-7fakesync1
Ubuntu:20.04:LTS	mozjs52	0, 52.9.1-1build1, 52.9.1-1ubuntu3
Ubuntu:18.04:LTS	mozjs38	0, 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3
Ubuntu:18.04:LTS	firefox	63.0+build2-0ubuntu0.18.04.2, 63.0.3+build1-0ubuntu0.18.04.1, 64.0+build3-0ubuntu0.18.04.1

Timeline

Jul 9, 2019 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2019-11721 third-party-advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11721 third-party-advisory
https://ubuntu.com/security/notices/USN-4054-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2019-11721 third-party-advisory

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