Synopsis

Important: thunderbird security update

Type/Severity

Security Advisory: Important

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 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.

Description

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.

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.

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64

Fixes

• BZ - 1801918 - CVE-2020-6798 Mozilla: Incorrect parsing of template tag could result in JavaScript injection
• BZ - 1801920 - CVE-2020-6800 Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5
• BZ - 1801955 - CVE-2020-6793 Mozilla: Out-of-bounds read when processing certain email messages
• BZ - 1801956 - CVE-2020-6794 Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords
• BZ - 1801957 - CVE-2020-6795 Mozilla: Crash processing S/MIME messages with multiple signatures
• BZ - 1801958 - CVE-2020-6792 Mozilla: Message ID calculation was based on uninitialized data

CVEs

• CVE-2020-6792
• CVE-2020-6793
• CVE-2020-6794
• CVE-2020-6795
• CVE-2020-6798
• CVE-2020-6800

References

• https://access.redhat.com/security/updates/classification/#important
• https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/

Red Hat Enterprise Linux for x86_64 8

SRPM
thunderbird-68.5.0-1.el8_1.src.rpm	SHA-256: 37ff95c3e986c8c2506f8da3c0bfdcf0b3cdb70ff35203fc0b979205ce6ca459
x86_64
thunderbird-68.5.0-1.el8_1.x86_64.rpm	SHA-256: 179a88410fea7db2623c3af7b55025458d74267f581ca30ed0625d34b89dedf6
thunderbird-debuginfo-68.5.0-1.el8_1.x86_64.rpm	SHA-256: 17d3a5fba38dc52d2c6f258b590053601b8414ed3a69f7ba09e2b1c8c55da20c
thunderbird-debugsource-68.5.0-1.el8_1.x86_64.rpm	SHA-256: c5f0401215bc6fe98e18d983c51379b84d234cb107e8660d5db573c4526021b4

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1

SRPM
thunderbird-68.5.0-1.el8_1.src.rpm	SHA-256: 37ff95c3e986c8c2506f8da3c0bfdcf0b3cdb70ff35203fc0b979205ce6ca459
x86_64
thunderbird-68.5.0-1.el8_1.x86_64.rpm	SHA-256: 179a88410fea7db2623c3af7b55025458d74267f581ca30ed0625d34b89dedf6
thunderbird-debuginfo-68.5.0-1.el8_1.x86_64.rpm	SHA-256: 17d3a5fba38dc52d2c6f258b590053601b8414ed3a69f7ba09e2b1c8c55da20c
thunderbird-debugsource-68.5.0-1.el8_1.x86_64.rpm	SHA-256: c5f0401215bc6fe98e18d983c51379b84d234cb107e8660d5db573c4526021b4

Red Hat Enterprise Linux for Power, little endian 8

SRPM
thunderbird-68.5.0-1.el8_1.src.rpm	SHA-256: 37ff95c3e986c8c2506f8da3c0bfdcf0b3cdb70ff35203fc0b979205ce6ca459
ppc64le
thunderbird-68.5.0-1.el8_1.ppc64le.rpm	SHA-256: 506fe6cb985257eab825dcbe760dce997490fc9892adf21c9524f3128825b8b9
thunderbird-debuginfo-68.5.0-1.el8_1.ppc64le.rpm	SHA-256: 760de2e92baed30e1af4d1c0a188f8c44afc7b07dca98f1e04de96e2d39df118
thunderbird-debugsource-68.5.0-1.el8_1.ppc64le.rpm	SHA-256: 34ea925951366a262938ee668037d10a32915f9caa1a1c1a891fad9b3c32f3db

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1

SRPM
thunderbird-68.5.0-1.el8_1.src.rpm	SHA-256: 37ff95c3e986c8c2506f8da3c0bfdcf0b3cdb70ff35203fc0b979205ce6ca459
ppc64le
thunderbird-68.5.0-1.el8_1.ppc64le.rpm	SHA-256: 506fe6cb985257eab825dcbe760dce997490fc9892adf21c9524f3128825b8b9
thunderbird-debuginfo-68.5.0-1.el8_1.ppc64le.rpm	SHA-256: 760de2e92baed30e1af4d1c0a188f8c44afc7b07dca98f1e04de96e2d39df118
thunderbird-debugsource-68.5.0-1.el8_1.ppc64le.rpm	SHA-256: 34ea925951366a262938ee668037d10a32915f9caa1a1c1a891fad9b3c32f3db

Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1

SRPM
thunderbird-68.5.0-1.el8_1.src.rpm	SHA-256: 37ff95c3e986c8c2506f8da3c0bfdcf0b3cdb70ff35203fc0b979205ce6ca459
ppc64le
thunderbird-68.5.0-1.el8_1.ppc64le.rpm	SHA-256: 506fe6cb985257eab825dcbe760dce997490fc9892adf21c9524f3128825b8b9
thunderbird-debuginfo-68.5.0-1.el8_1.ppc64le.rpm	SHA-256: 760de2e92baed30e1af4d1c0a188f8c44afc7b07dca98f1e04de96e2d39df118
thunderbird-debugsource-68.5.0-1.el8_1.ppc64le.rpm	SHA-256: 34ea925951366a262938ee668037d10a32915f9caa1a1c1a891fad9b3c32f3db

Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1

SRPM
thunderbird-68.5.0-1.el8_1.src.rpm	SHA-256: 37ff95c3e986c8c2506f8da3c0bfdcf0b3cdb70ff35203fc0b979205ce6ca459
x86_64
thunderbird-68.5.0-1.el8_1.x86_64.rpm	SHA-256: 179a88410fea7db2623c3af7b55025458d74267f581ca30ed0625d34b89dedf6
thunderbird-debuginfo-68.5.0-1.el8_1.x86_64.rpm	SHA-256: 17d3a5fba38dc52d2c6f258b590053601b8414ed3a69f7ba09e2b1c8c55da20c
thunderbird-debugsource-68.5.0-1.el8_1.x86_64.rpm	SHA-256: c5f0401215bc6fe98e18d983c51379b84d234cb107e8660d5db573c4526021b4