By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
CVSS Details
- CVSS 3.1 Base Score: 5.4
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esrUpgrade librewolfUpgrade firefox | Aug 22, 2024 | Jan 8, 2020 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | Apr 27, 2020 | Jan 8, 2020 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jan 8, 2020 |
| Centos_linux | — | Upgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox-debugsource | Oct 25, 2019 | Oct 23, 2019 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Oct 28, 2019 | Oct 28, 2019 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin. | Mar 16, 2020 | Jan 8, 2020 |
| Mfsa2019 33 | — | Upgrade to Mozilla Firefox ESR version 68.2 | Oct 23, 2019 | Oct 22, 2019 |
| Mfsa2019 34 | — | Upgrade to Mozilla Firefox version 70.0 | Oct 23, 2019 | Oct 22, 2019 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 68.2 | Oct 25, 2019 | Oct 22, 2019 |
| Oracle Solaris | — | Upgrade web/data/firefox-bookmarks to version 68.2.0-11.4.15.0.1.4.0 on Solaris 11.4Upgrade mail/thunderbird to version 68.2.0-11.4.15.0.1.4.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 68.2.0-11.4.15.0.1.4.0 on Solaris 11.4Upgrade web/browser/firefox to version 68.2.0-11.4.15.0.1.4.0 on Solaris 11.4 | Nov 20, 2019 | Nov 20, 2019 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Oct 30, 2019 | Oct 22, 2019 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbirdNo solution existsUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfo | Oct 25, 2019 | Oct 23, 2019 |
| Suse | — | Upgrade firefox-libffi4Upgrade libfirefox-gio-2_0-0Upgrade firefox-atk-langUpgrade firefox-libcairo-gobject2Upgrade firefox-libpango-1_0-0Upgrade mozilla-nss-certs-32bitUpgrade mozilla-nsprUpgrade mozilla-nss-32bitUpgrade mozilla-nssUpgrade firefox-gtk3-immodule-inuktitutUpgrade mozillafirefox-branding-sleUpgrade firefox-gtk3-immodule-amharicUpgrade firefox-gdk-pixbuf-langUpgrade MozillaFirefoxUpgrade mozillafirefox-branding-upstreamUpgrade libfreebl3-32bitUpgrade firefox-libffi7Upgrade mozillafirefox-buildsymbolsUpgrade libfirefox-gmodule-2_0-0Upgrade libfirefox-gobject-2_0-0Upgrade firefox-gtk3-branding-upstreamUpgrade firefox-gio-branding-upstreamUpgrade MozillaFirefox-branding-SLEDUpgrade firefox-gdk-pixbuf-thumbnailerUpgrade firefox-libcairo2Upgrade libfirefox-glib-2_0-0Upgrade mozilla-nss-certsUpgrade firefox-gdk-pixbuf-query-loadersUpgrade MozillaThunderbird-translations-commonUpgrade firefox-glib2-toolsUpgrade firefox-gtk3-langUpgrade firefox-gtk3-immodule-thaiUpgrade MozillaFirefox-branding-openSUSEUpgrade MozillaFirefox-translations-commonUpgrade firefox-libharfbuzz0Upgrade libsoftokn3Upgrade mozilla-nss-develUpgrade MozillaThunderbirdUpgrade firefox-glib2-langUpgrade libfirefox-gthread-2_0-0Upgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-develUpgrade firefox-libgdk_pixbuf-2_0-0Upgrade firefox-gtk3-dataUpgrade firefox-libgtk-3-0Upgrade mozilla-nss-toolsUpgrade libfreebl3Upgrade firefox-libatk-1_0-0Upgrade firefox-gtk3-immodule-multipressUpgrade mozilla-nspr-develUpgrade firefox-esr-branding-openSUSEUpgrade mozilla-nspr-32bitUpgrade firefox-gtk3-immodules-tigrignaUpgrade libsoftokn3-32bitUpgrade firefox-gtk3-immodule-vietnameseUpgrade MozillaThunderbird-translations-otherUpgrade firefox-gtk3-toolsUpgrade firefox-gtk3-immodule-xim | Nov 1, 2019 | Oct 23, 2019 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Oct 24, 2019 | Oct 23, 2019 |
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