RedHat: RHSA-2020-2050:01 Critical: thunderbird security update
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.
Summary
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.
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 Client (v. 7):
Source:
thunderbird-68.8.0-1.el7_8.src.rpm
x86_64:
thunderbird-68.8.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el7_8.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source:
thunderbird-68.8.0-1.el7_8.src.rpm
ppc64le:
thunderbird-68.8.0-1.el7_8.ppc64le.rpm
thunderbird-debuginfo-68.8.0-1.el7_8.ppc64le.rpm
x86_64:
thunderbird-68.8.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el7_8.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
thunderbird-68.8.0-1.el7_8.src.rpm
x86_64:
thunderbird-68.8.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.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/
Topic
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 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.
Topic
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
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
