CVE-2018-12369

firefox: WebExtensions bundled with embedded experiments were not correctly checked for proper authorization

CVE-2018-12369 is fixed in 4 products on 1 platform, first by firefox 61.0+build3-0ubuntu0.18.04.1, released June 26, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0252
84th percentile

WebExtensions bundled with embedded experiments were not correctly checked for proper authorization. This allowed a malicious WebExtension to gain full browser permissions. This vulnerability affects Firefox ESR < 60.1 and Firefox < 61.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · Ubuntu 18.04.6 LTS (bionic) 61.0+build3-0ubuntu0.18.04.1 firefox 61.0+build3-0ubuntu0.18.04.1 Jun 26, 2018
firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) 61.0+build3-0ubuntu0.18.04.1 firefox-globalmenu 61.0+build3-0ubuntu0.18.04.1 Jun 26, 2018
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 61.0+build3-0ubuntu0.18.04.1 firefox-mozsymbols 61.0+build3-0ubuntu0.18.04.1 Jun 26, 2018
firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) 61.0+build3-0ubuntu0.18.04.1 firefox-testsuite 61.0+build3-0ubuntu0.18.04.1 Jun 26, 2018

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