Name: CVE-2018-12373: Exposure of Sensitive Information to an Unauthorized Actor
Creator: Rapid7
Published: 2018-10-18T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2018-12373, CWE-200, CVSS 6.5, EPSS 0.02396

dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/forward. This vulnerability affects Thunderbird < 52.9.

CVSS Details

CVSS 3.1 Base Score: 6.5
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon Linux Ami 2	—	Upgrade thunderbird-debuginfoUpgrade thunderbird	Apr 27, 2020	Oct 18, 2018
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Oct 18, 2018
Centos_linux	—	Upgrade thunderbird-debuginfoUpgrade thunderbird	Jul 27, 2018	Jul 7, 2018
Debian	—	Upgrade thunderbird	Jul 14, 2018	Jul 7, 2018
Gentoo Linux	—	Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin.	Nov 26, 2018	Oct 18, 2018
Mozilla Thunderbird	—	Upgrade to Mozilla Thunderbird version 52.9Upgrade to the latest version of Mozilla Thunderbird	Jul 4, 2018	Jul 3, 2018
Oracle Solaris	—	Upgrade library/perl-5/database to version 1.636-11.4.1.0.1.1.0 on Solaris 11.4Upgrade database/mysql-57/tests to version 5.7.23-11.4.1.0.1.1.0 on Solaris 11.4Upgrade runtime/tcl-8/tcl-sqlite-3 to version 3.24.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 52.9.1-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/python/pyatspi2-34 to version 2.18.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/dbd-sqlite-526 to version 1.58-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-gss to version 2.4.34-11.4.1.0.1.1.0 on Solaris 11.4Upgrade database/mysql-57 to version 5.7.23-11.4.1.0.1.1.0 on Solaris 11.4Upgrade diagnostic/wireshark/tshark to version 2.6.3-11.4.1.0.1.2.0 on Solaris 11.4Upgrade library/perl-5/xml-sax-base-522 to version 1.8-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-sax-base-526 to version 1.8-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-namespacesupport-526 to version 1.11-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/net-ssleay to version 1.80-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/CGI-522 to version 4.37-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24 to version 2.4.34-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/desktop/speech-dispatcher to version 0.8.6-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/perl-tk to version 804.33-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/pmtools to version 2.0.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-namespacesupport to version 1.11-11.4.1.0.1.1.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 52.9.1-0.175.3.35.0.4.0 on Solaris 11.3Upgrade library/perl-5/perl-tk-522 to version 804.33-11.4.1.0.1.1.0 on Solaris 11.4Upgrade terminal/cssh-526 to version 4.9-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-sax-522 to version 0.99-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/python/pyatspi2 to version 2.18.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/perl-x11-protocol-522 to version 0.56-11.4.1.0.1.1.0 on Solaris 11.4Upgrade mail/mailman to version 2.1.29.1-11.4.1.0.1.1.0 on Solaris 11.4Upgrade database/mysql-57/library to version 5.7.23-11.4.1.0.1.1.0 on Solaris 11.4Upgrade diagnostic/wireshark to version 2.6.3-11.4.1.0.1.2.0 on Solaris 11.4Upgrade library/perl-5/xml-parser-522 to version 2.44-11.4.1.0.1.1.0 on Solaris 11.4Upgrade diagnostic/wireshark/wireshark-common to version 2.6.3-11.4.1.0.1.2.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-dbd to version 2.4.34-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl-fips-140 to version 2.4.34-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-sax to version 0.99-11.4.1.0.1.1.0 on Solaris 11.4Upgrade system/display-manager/desktop-startup to version 0.38.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-simple-526 to version 2.24-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-lua to version 2.4.34-11.4.1.0.1.1.0 on Solaris 11.4Upgrade image/library/libjpeg to version 6.0.2-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/desktop/webkitgtk4 to version 2.18.6-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/curl to version 7.61.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/net-ssleay-526 to version 1.80-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-simple-522 to version 2.24-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-libxml-526 to version 2.128-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/java-servlet/tomcat-8 to version 8.5.32-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/authen-pam-526 to version 0.16-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/python/pyatspi2-27 to version 2.18.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/database-522 to version 1.636-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/desktop/dotconf to version 1.3-11.4.1.0.1.1.0 on Solaris 11.4Upgrade database/sqlite-3/documentation to version 3.24.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade terminal/cssh to version 4.9-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/java-servlet/tomcat-8/tomcat-examples to version 8.5.32-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/dbd-mysql to version 4042-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/java-servlet/tomcat-8/tomcat-admin to version 8.5.32-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-namespacesupport-522 to version 1.11-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/authen-pam-522 to version 0.16-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/gettext to version 1.0.7-11.4.1.0.1.1.0 on Solaris 11.4Upgrade database/sqlite-3 to version 3.24.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/database-526 to version 1.636-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/dbd-mysql-526 to version 4042-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-libxml to version 2.128-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/speech/espeak to version 1.44.0.5-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/perl-x11-protocol to version 0.56-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/gettext-522 to version 1.0.7-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-sax-526 to version 0.99-11.4.1.0.1.1.0 on Solaris 11.4Upgrade system/display-manager/gdm to version 3.24.2-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/dbd-sqlite to version 1.58-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/authen-pam to version 5.8.4-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-sax-base to version 1.8-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/liblouis to version 3.5.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/gettext-526 to version 1.0.7-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl to version 2.4.34-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-parser to version 5.12.1-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/CGI to version 4.37-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/pmtools-526 to version 2.0.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade terminal/cssh-522 to version 4.9-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/pmtools-522 to version 2.0.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/python/pyatspi2-35 to version 2.18.0-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/dbd-sqlite-522 to version 1.58-11.4.1.0.1.1.0 on Solaris 11.4Upgrade database/mysql-57/client to version 5.7.23-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-libxml-522 to version 2.128-11.4.1.0.1.1.0 on Solaris 11.4Upgrade database/mysql-57/embedded to version 5.7.23-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/CGI-526 to version 4.37-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-parser-526 to version 2.44-11.4.1.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ldap to version 2.4.34-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/dbd-mysql-522 to version 4042-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/net-ssleay-522 to version 1.80-11.4.1.0.1.1.0 on Solaris 11.4Upgrade mail/thunderbird to version 52.9.1-0.175.3.35.0.4.0 on Solaris 11.3Upgrade library/perl-5/perl-tk-526 to version 804.33-11.4.1.0.1.1.0 on Solaris 11.4Upgrade mail/thunderbird to version 52.9.1-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/perl-x11-protocol-526 to version 0.56-11.4.1.0.1.1.0 on Solaris 11.4Upgrade library/perl-5/xml-simple to version 2.24-11.4.1.0.1.1.0 on Solaris 11.4	Aug 24, 2018	Aug 24, 2018
Oracle_linux	—	Upgrade thunderbird	Jul 25, 2018	May 27, 2018
Redhat_linux	—	Upgrade thunderbird-debuginfoUpgrade thunderbird	Jul 25, 2018	Jul 7, 2018
Suse	—	Upgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaThunderbird-devel	Jul 7, 2018	Jul 7, 2018
Ubuntu	—	Upgrade thunderbird	Jul 26, 2018	Jul 7, 2018

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CVSS Details

Covered by Rapid7

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