# 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.

- Web page: https://patchblox.com/security/cve/CVE-2018-12369
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0252
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 26, 2018

## Description

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

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 61.0+build3-0ubuntu0.18.04.1 | [firefox 61.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-61.0-build3-0ubuntu0.18.04.1.md) | Jun 26, 2018 |
| Linux | firefox-globalmenu Ubuntu 18.04.6 LTS (bionic) | 61.0+build3-0ubuntu0.18.04.1 | [firefox-globalmenu 61.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-globalmenu-61.0-build3-0ubuntu0.18.04.1.md) | Jun 26, 2018 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 61.0+build3-0ubuntu0.18.04.1 | [firefox-mozsymbols 61.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-61.0-build3-0ubuntu0.18.04.1.md) | Jun 26, 2018 |
| Linux | firefox-testsuite Ubuntu 18.04.6 LTS (bionic) | 61.0+build3-0ubuntu0.18.04.1 | [firefox-testsuite 61.0+build3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-testsuite-61.0-build3-0ubuntu0.18.04.1.md) | Jun 26, 2018 |

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