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AUSCERT External Security Bulletin Redistribution
ESB-2020.2157
thunderbird security update
22 June 2020
===========================================================================
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
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-12410 CVE-2020-12406 CVE-2020-12405
CVE-2020-12398
Reference: ESB-2020.2137
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:2614
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Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2020:2614-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2614
Issue date: 2020-06-18
CVE Names: CVE-2020-12398 CVE-2020-12405 CVE-2020-12406
CVE-2020-12410
=====================================================================
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) - aarch64, ppc64le, x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.9.0.
Security Fix(es):
* Mozilla: Security downgrade with IMAP STARTTLS leads to information
leakage (CVE-2020-12398)
* Mozilla: Use-after-free in SharedWorkerService (CVE-2020-12405)
* Mozilla: JavaScript Type confusion with NativeTypes (CVE-2020-12406)
* Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
(CVE-2020-12410)
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/):
1843030 - CVE-2020-12410 Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
1843312 - CVE-2020-12406 Mozilla: JavaScript Type confusion with NativeTypes
1843313 - CVE-2020-12405 Mozilla: Use-after-free in SharedWorkerService
1846556 - CVE-2020-12398 Mozilla: Security downgrade with IMAP STARTTLS leads to information leakage
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
thunderbird-68.9.0-1.el8_2.src.rpm
aarch64:
thunderbird-68.9.0-1.el8_2.aarch64.rpm
thunderbird-debuginfo-68.9.0-1.el8_2.aarch64.rpm
thunderbird-debugsource-68.9.0-1.el8_2.aarch64.rpm
ppc64le:
thunderbird-68.9.0-1.el8_2.ppc64le.rpm
thunderbird-debuginfo-68.9.0-1.el8_2.ppc64le.rpm
thunderbird-debugsource-68.9.0-1.el8_2.ppc64le.rpm
x86_64:
thunderbird-68.9.0-1.el8_2.x86_64.rpm
thunderbird-debuginfo-68.9.0-1.el8_2.x86_64.rpm
thunderbird-debugsource-68.9.0-1.el8_2.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-2020-12398
https://access.redhat.com/security/cve/CVE-2020-12405
https://access.redhat.com/security/cve/CVE-2020-12406
https://access.redhat.com/security/cve/CVE-2020-12410
https://access.redhat.com/security/updates/classification/#important
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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