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AUSCERT External Security Bulletin Redistribution
ESB-2020.0184
thunderbird security update
17 January 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: thunderbird
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Red Hat Enterprise Linux WS/Desktop 8
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-17026 CVE-2019-17024 CVE-2019-17022
CVE-2019-17017 CVE-2019-17016
Reference: ESB-2020.0182
ESB-2020.0180
ESB-2020.0152
ESB-2020.0128
ESB-2020.0110
ESB-2020.0108
ESB-2020.0078
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:0127
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Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2020:0127-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0127
Issue date: 2020-01-16
CVE Names: CVE-2019-17016 CVE-2019-17017 CVE-2019-17022
CVE-2019-17024 CVE-2019-17026
=====================================================================
1. Summary:
An update for thunderbird is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream (v. 8) - ppc64le, x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.4.1.
Security Fix(es):
* Mozilla: IonMonkey type confusion with StoreElementHole and
FallibleStoreElement (CVE-2019-17026)
* Mozilla: Bypass of @namespace CSS sanitization during pasting
(CVE-2019-17016)
* Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)
* Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4
(CVE-2019-17024)
* Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
All running instances of Thunderbird must be restarted for the update to
take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1788723 - CVE-2019-17016 Mozilla: Bypass of @namespace CSS sanitization during pasting
1788724 - CVE-2019-17017 Mozilla: Type Confusion in XPCVariant.cpp
1788726 - CVE-2019-17022 Mozilla: CSS sanitization does not escape HTML tags
1788727 - CVE-2019-17024 Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4
1789214 - CVE-2019-17026 Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
thunderbird-68.4.1-2.el8_1.src.rpm
ppc64le:
thunderbird-68.4.1-2.el8_1.ppc64le.rpm
thunderbird-debuginfo-68.4.1-2.el8_1.ppc64le.rpm
thunderbird-debugsource-68.4.1-2.el8_1.ppc64le.rpm
x86_64:
thunderbird-68.4.1-2.el8_1.x86_64.rpm
thunderbird-debuginfo-68.4.1-2.el8_1.x86_64.rpm
thunderbird-debugsource-68.4.1-2.el8_1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-17016
https://access.redhat.com/security/cve/CVE-2019-17017
https://access.redhat.com/security/cve/CVE-2019-17022
https://access.redhat.com/security/cve/CVE-2019-17024
https://access.redhat.com/security/cve/CVE-2019-17026
https://access.redhat.com/security/updates/classification/#important
https://www.mozilla.org/en-US/security/advisories/mfsa2020-04/
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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