CVE-2018-12397 — Vulnetix

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CVE-2018-12397 PUBLISHED

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

EPSS 0.07% · 20.8th percentile

Risk Scores

EPSS Score

0.07%

20.8th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	firefox	62.0.3+build1-0ubuntu0.18.04.1, 62.0+build2-0ubuntu0.18.04.5, 62.0+build2-0ubuntu0.18.04.4
Ubuntu:14.04:LTS	firefox	35.0+build3-0ubuntu0.14.04.2, 35.0.1+build1-0ubuntu0.14.04.1, 36.0+build2-0ubuntu0.14.04.4
Ubuntu:18.04:LTS	mozjs52	0, 52.3.1-0ubuntu3, 52.3.1-7fakesync1
Ubuntu:18.04:LTS	mozjs38	0, 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3
Ubuntu:20.04:LTS	mozjs52	0, 52.9.1-1build1, 52.9.1-1ubuntu3
Ubuntu:16.04:LTS	firefox	54.0+build3-0ubuntu0.16.04.1, 55.0.1+build2-0ubuntu0.16.04.2, 55.0.2+build1-0ubuntu0.16.04.1

Timeline

Oct 24, 2018 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2018-12397 third-party-advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/#CVE-2018-12397 third-party-advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2018-26/#CVE-2018-12397 third-party-advisory
https://ubuntu.com/security/notices/USN-3801-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2018-12397 third-party-advisory

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