Firefox ESR: A malicious extension could have called <code>browser.identity.launchWebAuthFlow</code>, controlling…
CVE-2020-6823 is fixed in 4 products on 2 platforms, first by firefox 75.0+build3-0ubuntu0.18.04.1, released April 6, 2020. It is not reported as exploited. Patch Radar priority: High.
A malicious extension could have called <code>browser.identity.launchWebAuthFlow</code>, controlling the redirect_uri, and through the Promise returned, obtain the Auth code and gain access to the user's account at the service provider. This vulnerability affects Firefox < 75.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox ESR (en-US) | 78.0esr | Mozilla Firefox ESR (en-US) 78.0esr | Jun 25, 2020 |
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 75.0+build3-0ubuntu0.18.04.1 | firefox 75.0+build3-0ubuntu0.18.04.1 | Apr 6, 2020 |
| firefox · Ubuntu 20.04 LTS (focal) | 75.0+build3-0ubuntu1 | firefox 75.0+build3-0ubuntu1 | Apr 6, 2020 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 75.0+build3-0ubuntu0.18.04.1 | firefox-geckodriver 75.0+build3-0ubuntu0.18.04.1 | Apr 6, 2020 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 75.0+build3-0ubuntu1 | firefox-geckodriver 75.0+build3-0ubuntu1 | Apr 6, 2020 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 75.0+build3-0ubuntu0.18.04.1 | firefox-mozsymbols 75.0+build3-0ubuntu0.18.04.1 | Apr 6, 2020 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 75.0+build3-0ubuntu1 | firefox-mozsymbols 75.0+build3-0ubuntu1 | Apr 6, 2020 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.