CVE-2018-18497 — Vulnetix

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CVE-2018-18497 PUBLISHED

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This vulnerability affects Firefox < 64.

EPSS 0.22% · 44.2th percentile

Risk Scores

EPSS Score

0.22%

44.2th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:14.04:LTS	firefox	45.0.1+build1-0ubuntu0.14.04.2, 24.0+build1-0ubuntu1, 25.0+build3-0ubuntu0.13.10.1
Ubuntu:18.04:LTS	firefox	0, 56.0+build6-0ubuntu1, 57.0.1+build2-0ubuntu1
Ubuntu:16.04:LTS	firefox	50.0.2+build1-0ubuntu0.16.04.1, 50.1.0+build2-0ubuntu0.16.04.1, 51.0.1+build2-0ubuntu0.16.04.1

Timeline

Dec 11, 2018 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Jan 2, 2023 EPSS Score
Mar 5, 2023 EPSS Score
Mar 7, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2018-18497 third-party-advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2018-29/#CVE-2018-18497 third-party-advisory
https://ubuntu.com/security/notices/USN-3844-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2018-18497 third-party-advisory

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