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Red Hat: RHSA-2020-0577-01 Important: Mozilla Thunderbird Security Flaws

red hat
Calendar Grey February 24, 2020
Dist Redhat Esm H88
Ubuntu announces a significant notification for Firefox, disclosing essential improvements and security patches for enhanced defense.
An update for thunderbird is now available for Red Hat Enterprise Linux 8

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.

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.5.0.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5 (CVE-2020-6800)
* Mozilla: Out-of-bounds read when processing certain email messages (CVE-2020-6793)
* Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords (CVE-2020-6794)
* Mozilla: Crash processing S/MIME messages with multiple signatures (CVE-2020-6795)
* Mozilla: Incorrect parsing of template tag could result in JavaScript injection (CVE-2020-6798)
* Mozilla: Message ID calculation was based on uninitialized data (CVE-2020-6792)
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.

Topics%20covered

Topics Covered

security advisory red hat important thunderbird memory safety email client javascript injection

References

https://access.redhat.com/security/cve/CVE-2020-6792 https://access.redhat.com/security/cve/CVE-2020-6793 https://access.redhat.com/security/cve/CVE-2020-6794 https://access.redhat.com/security/cve/CVE-2020-6795 https://access.redhat.com/security/cve/CVE-2020-6798 https://access.redhat.com/security/cve/CVE-2020-6800 https://access.redhat.com/security/updates/classification#important https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: thunderbird-68.5.0-1.el8_1.src.rpm
ppc64le: thunderbird-68.5.0-1.el8_1.ppc64le.rpm thunderbird-debuginfo-68.5.0-1.el8_1.ppc64le.rpm thunderbird-debugsource-68.5.0-1.el8_1.ppc64le.rpm
x86_64: thunderbird-68.5.0-1.el8_1.x86_64.rpm thunderbird-debuginfo-68.5.0-1.el8_1.x86_64.rpm thunderbird-debugsource-68.5.0-1.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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:0577-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0577
Issue date: 2020-02-24

Topic

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 impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat important thunderbird memory safety email client javascript injection

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - ppc64le, x86_64

Bugs Fixed

1801918 - CVE-2020-6798 Mozilla: Incorrect parsing of template tag could result in JavaScript injection

1801920 - CVE-2020-6800 Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5

1801955 - CVE-2020-6793 Mozilla: Out-of-bounds read when processing certain email messages

1801956 - CVE-2020-6794 Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords

1801957 - CVE-2020-6795 Mozilla: Crash processing S/MIME messages with multiple signatures

1801958 - CVE-2020-6792 Mozilla: Message ID calculation was based on uninitialized data

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