Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2020.2408
thunderbird security update
16 July 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: thunderbird
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-12421 CVE-2020-12420 CVE-2020-12419
CVE-2020-12418 CVE-2020-12417
Reference: ESB-2020.2297
ESB-2020.2292
ESB-2020.2277
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:2906
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2020:2906-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2906
Issue date: 2020-07-14
CVE Names: CVE-2020-12417 CVE-2020-12418 CVE-2020-12419
CVE-2020-12420 CVE-2020-12421
=====================================================================
1. Summary:
An update for thunderbird is now available for Red Hat Enterprise Linux 7.
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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.10.0.
Security Fix(es):
* Mozilla: Memory corruption due to missing sign-extension for ValueTags on
ARM64 (CVE-2020-12417)
* Mozilla: Information disclosure due to manipulated URL object
(CVE-2020-12418)
* Mozilla: Use-after-free in nsGlobalWindowInner (CVE-2020-12419)
* Mozilla: Use-After-Free when trying to connect to a STUN server
(CVE-2020-12420)
* Mozilla: Add-On updates did not respect the same certificate trust rules
as software updates (CVE-2020-12421)
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/):
1853014 - CVE-2020-12417 Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64
1853015 - CVE-2020-12418 Mozilla: Information disclosure due to manipulated URL object
1853016 - CVE-2020-12419 Mozilla: Use-after-free in nsGlobalWindowInner
1853017 - CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server
1853018 - CVE-2020-12421 Mozilla: Add-On updates did not respect the same certificate trust rules as software updates
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
thunderbird-68.10.0-1.el7_8.src.rpm
x86_64:
thunderbird-68.10.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.10.0-1.el7_8.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source:
thunderbird-68.10.0-1.el7_8.src.rpm
ppc64le:
thunderbird-68.10.0-1.el7_8.ppc64le.rpm
thunderbird-debuginfo-68.10.0-1.el7_8.ppc64le.rpm
x86_64:
thunderbird-68.10.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.10.0-1.el7_8.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
thunderbird-68.10.0-1.el7_8.src.rpm
x86_64:
thunderbird-68.10.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.10.0-1.el7_8.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-2020-12417
https://access.redhat.com/security/cve/CVE-2020-12418
https://access.redhat.com/security/cve/CVE-2020-12419
https://access.redhat.com/security/cve/CVE-2020-12420
https://access.redhat.com/security/cve/CVE-2020-12421
https://access.redhat.com/security/updates/classification/#important
https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/
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.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=Nkv3
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=RO3c
-----END PGP SIGNATURE-----