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Red Hat Security Advisory 2020-2615-01

Red Hat Security Advisory 2020-2615-01
Posted Jun 22, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2615-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.9.0. Issues addressed include information leakage and use-after-free vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-12398, CVE-2020-12405, CVE-2020-12406, CVE-2020-12410
SHA-256 | c922476117829460740b9b3aad6039736614ea3543beb85a8354c734d2d87d24

Red Hat Security Advisory 2020-2615-01

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====================================================================
Red Hat Security Advisory

Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2020:2615-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2615
Issue date: 2020-06-22
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 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 68.9.0.

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 Client (v. 7):

Source:
thunderbird-68.9.0-1.el7_8.src.rpm

x86_64:
thunderbird-68.9.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.9.0-1.el7_8.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

Source:
thunderbird-68.9.0-1.el7_8.src.rpm

ppc64le:
thunderbird-68.9.0-1.el7_8.ppc64le.rpm
thunderbird-debuginfo-68.9.0-1.el7_8.ppc64le.rpm

x86_64:
thunderbird-68.9.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.9.0-1.el7_8.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
thunderbird-68.9.0-1.el7_8.src.rpm

x86_64:
thunderbird-68.9.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.9.0-1.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-2020-12398
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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