The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esrUpgrade librewolfUpgrade thunderbirdUpgrade firefox | Aug 22, 2024 | Aug 10, 2020 |
| Centos_linux | — | Upgrade firefoxUpgrade firefox-debugsourceUpgrade firefox-debuginfo | Aug 27, 2020 | Aug 10, 2020 |
| Mfsa2020 30 | — | Upgrade to Mozilla Firefox version 79.0Upgrade to the latest version of Mozilla Firefox | Jul 29, 2020 | Jul 28, 2020 |
| Mfsa2020 32 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 78.1 | Jul 29, 2020 | Jul 28, 2020 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 78.1 | Jul 29, 2020 | Jul 28, 2020 |
| Oracle Solaris | — | Upgrade mail/thunderbird to version 78.3.0-11.4.27.0.1.82.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 68.12.0-11.4.27.0.1.82.0 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 78.3.0-11.4.27.0.1.82.0 on Solaris 11.4Upgrade web/browser/firefox to version 78.3.0-11.4.27.0.1.82.0 on Solaris 11.4 | Jan 19, 2021 | Aug 10, 2020 |
| Oracle_linux | — | Upgrade firefox | Aug 29, 2020 | Jul 28, 2020 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefoxNo solution exists | Aug 27, 2020 | Aug 10, 2020 |
| Suse | — | Upgrade MozillaFirefoxUpgrade pipewire-toolsUpgrade mozillafirefox-branding-sleUpgrade pipewire-libjack-0_3Upgrade pipewire-modulesUpgrade pipewire-docUpgrade MozillaFirefox-translations-commonUpgrade pipewire-develUpgrade pipewire-libpulse-0_3Upgrade MozillaFirefox-translations-otherUpgrade mozillafirefox-buildsymbolsUpgrade MozillaFirefox-develUpgrade gstreamer-plugin-pipewireUpgrade pipewire-spa-plugins-0_2Upgrade libpipewire-0_3-0Upgrade pipewireUpgrade pipewire-spa-toolsUpgrade mozillafirefox-branding-upstream | Aug 1, 2020 | Jul 31, 2020 |
| Ubuntu | — | Upgrade firefox | Aug 5, 2020 | Jul 29, 2020 |
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