firefox: Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the...
CVE-2018-18497 is fixed in 4 products on 1 platform, first by firefox 64.0+build3-0ubuntu0.18.04.1, released December 10, 2018. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 64.0+build3-0ubuntu0.18.04.1 | firefox 64.0+build3-0ubuntu0.18.04.1 | Dec 10, 2018 |
| firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 64.0+build3-0ubuntu0.18.04.1 | firefox-globalmenu 64.0+build3-0ubuntu0.18.04.1 | Dec 10, 2018 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 64.0+build3-0ubuntu0.18.04.1 | firefox-mozsymbols 64.0+build3-0ubuntu0.18.04.1 | Dec 10, 2018 |
| firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) | 64.0+build3-0ubuntu0.18.04.1 | firefox-testsuite 64.0+build3-0ubuntu0.18.04.1 | Dec 10, 2018 |
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