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 firefoxUpgrade firefox-esrUpgrade librewolf | 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 firefoxUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox-debugsource | Oct 25, 2019 | Oct 23, 2019 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Oct 28, 2019 | Oct 28, 2019 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird. | 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/browser/firefox 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/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 11.4 | Nov 20, 2019 | Nov 20, 2019 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Oct 30, 2019 | Oct 22, 2019 |
| Redhat_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefox-debuginfoNo solution existsUpgrade thunderbird-debugsource | Oct 25, 2019 | Oct 23, 2019 |
| Suse | — | Upgrade mozillafirefox-translations-otherUpgrade firefox-gtk3-immodule-thaiUpgrade firefox-gtk3-immodule-multipressUpgrade MozillaFirefox-branding-openSUSEUpgrade firefox-gtk3-langUpgrade libfreebl3Upgrade mozillafirefox-translations-commonUpgrade mozillathunderbird-translations-commonUpgrade firefox-libatk-1_0-0Upgrade mozilla-nss-develUpgrade firefox-gtk3-immodule-ximUpgrade firefox-libharfbuzz0Upgrade libsoftokn3Upgrade firefox-gtk3-toolsUpgrade firefox-libgdk_pixbuf-2_0-0Upgrade firefox-gtk3-dataUpgrade firefox-gtk3-immodule-vietnameseUpgrade libfirefox-gthread-2_0-0Upgrade mozilla-nspr-develUpgrade libsoftokn3-32bitUpgrade mozillafirefox-develUpgrade firefox-glib2-langUpgrade firefox-libgtk-3-0Upgrade mozilla-nspr-32bitUpgrade firefox-gtk3-immodules-tigrignaUpgrade firefox-esr-branding-openSUSEUpgrade mozilla-nss-toolsUpgrade firefox-gio-branding-upstreamUpgrade mozillafirefox-branding-upstreamUpgrade firefox-libcairo2Upgrade mozillafirefox-buildsymbolsUpgrade libfirefox-gmodule-2_0-0Upgrade mozillafirefoxUpgrade mozilla-nss-32bitUpgrade mozilla-nsprUpgrade libfreebl3-32bitUpgrade firefox-libpango-1_0-0Upgrade firefox-libffi7Upgrade mozillathunderbirdUpgrade mozilla-nssUpgrade firefox-gtk3-immodule-amharicUpgrade firefox-gtk3-immodule-inuktitutUpgrade firefox-gdk-pixbuf-thumbnailerUpgrade firefox-gdk-pixbuf-query-loadersUpgrade mozillathunderbird-translations-otherUpgrade firefox-gdk-pixbuf-langUpgrade mozillafirefox-branding-sledUpgrade firefox-libffi4Upgrade firefox-glib2-toolsUpgrade firefox-atk-langUpgrade libfirefox-gobject-2_0-0Upgrade firefox-gtk3-branding-upstreamUpgrade firefox-libcairo-gobject2Upgrade libfirefox-gio-2_0-0Upgrade libfirefox-glib-2_0-0Upgrade mozilla-nss-certs-32bitUpgrade mozillafirefox-branding-sleUpgrade mozilla-nss-certs | Nov 1, 2019 | Oct 23, 2019 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Oct 24, 2019 | Oct 23, 2019 |
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