CVE-2017-7832 — Vulnetix

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CVE-2017-7832 PUBLISHED

The combined, single character, version of the letter 'i' with any of the potential accents in unicode, such as acute or grave, can be spoofed in the addressbar by the dotless version of 'i' followed by the same accent as a second character with most font sets. This allows for domain spoofing attacks because these combined domain names do not display as punycode. This vulnerability affects Firefox < 57.

EPSS 0.98% · 76.6th percentile

Risk Scores

EPSS Score

0.98%

76.6th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	firefox	56.0+build6-0ubuntu1, 0
Ubuntu:14.04:LTS	firefox	25.0+build3-0ubuntu0.13.10.1, 28.0~b2+build1-0ubuntu2, 28.0+build1-0ubuntu1
Ubuntu:16.04:LTS	firefox	42.0+build2-0ubuntu1, 44.0+build3-0ubuntu2, 44.0.1+build1-0ubuntu1

Timeline

Nov 15, 2017 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score
Mar 5, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2017-7832 third-party-advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2017-24/ third-party-advisory
https://ubuntu.com/security/notices/USN-3477-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2017-7832 third-party-advisory

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