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RedHat: RHSA-2020-2048-01 Critical: Thunderbird Email Client Update

red hat
Calendar Grey May 11, 2020
Dist Redhat Esm H88
Important notice regarding Thunderbird security patches on Red Hat Enterprise Linux, addressing several resolved vulnerabilities and enhancements.
An update for thunderbird is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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 68.8.0.
Security Fix(es):
* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)
* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 (CVE-2020-12395)
* usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831)
* Mozilla: Arbitrary local file access with 'Copy as cURL' (CVE-2020-12392)
* Mozilla: Sender Email Address Spoofing using encoded Unicode characters(CVE-2020-12397)
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 critical software update bug fix thunderbird email client

References

https://access.redhat.com/security/cve/CVE-2020-6831 https://access.redhat.com/security/cve/CVE-2020-12387 https://access.redhat.com/security/cve/CVE-2020-12392 https://access.redhat.com/security/cve/CVE-2020-12395 https://access.redhat.com/security/cve/CVE-2020-12397 https://access.redhat.com/security/updates/classification#critical

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.0):
Source: thunderbird-68.8.0-1.el8_0.src.rpm
ppc64le: thunderbird-68.8.0-1.el8_0.ppc64le.rpm thunderbird-debuginfo-68.8.0-1.el8_0.ppc64le.rpm thunderbird-debugsource-68.8.0-1.el8_0.ppc64le.rpm
x86_64: thunderbird-68.8.0-1.el8_0.x86_64.rpm thunderbird-debuginfo-68.8.0-1.el8_0.x86_64.rpm thunderbird-debugsource-68.8.0-1.el8_0.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
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2048-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2048
Issue date: 2020-05-11

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat critical software update bug fix thunderbird email client

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.0) - ppc64le, x86_64

Bugs Fixed

1831761 - CVE-2020-12387 Mozilla: Use-after-free during worker shutdown

1831763 - CVE-2020-6831 usrsctp: Buffer overflow in AUTH chunk input validation

1831764 - CVE-2020-12392 Mozilla: Arbitrary local file access with 'Copy as cURL'

1831765 - CVE-2020-12395 Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8

1832565 - CVE-2020-12397 Mozilla: Sender Email Address Spoofing using encoded Unicode characters

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