RedHat: RHSA-2020-0576:01 Important: thunderbird security update
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.
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-2020-6792 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 Client (v. 7):
Source:
thunderbird-68.5.0-1.el7_7.src.rpm
x86_64:
thunderbird-68.5.0-1.el7_7.x86_64.rpm
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source:
thunderbird-68.5.0-1.el7_7.src.rpm
ppc64le:
thunderbird-68.5.0-1.el7_7.ppc64le.rpm
thunderbird-debuginfo-68.5.0-1.el7_7.ppc64le.rpm
x86_64:
thunderbird-68.5.0-1.el7_7.x86_64.rpm
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
thunderbird-68.5.0-1.el7_7.src.rpm
x86_64:
thunderbird-68.5.0-1.el7_7.x86_64.rpm
thunderbird-debuginfo-68.5.0-1.el7_7.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 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.
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
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
