RHSA-2020:0914 - Security Advisory

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 6.

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 68.6.0.

Security Fix(es):

• Mozilla: Use-after-free when removing data about origins (CVE-2020-6805)
• Mozilla: BodyStream::OnInputStreamReady was missing protections against state confusion (CVE-2020-6806)
• Mozilla: Use-after-free in cubeb during stream destruction (CVE-2020-6807)
• Mozilla: Memory safety bugs fixed in Firefox 74 and Firefox ESR 68.6 (CVE-2020-6814)
• Mozilla: Out of bounds reads in sctp_load_addresses_from_init (CVE-2019-20503)
• Mozilla: Devtools' 'Copy as cURL' feature did not fully escape website-controlled data, potentially leading to command injection (CVE-2020-6811)
• Mozilla: The names of AirPods with personally identifiable information were exposed to websites with camera or microphone permission (CVE-2020-6812)

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 Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x

Fixes

• BZ - 1812199 - CVE-2020-6805 Mozilla: Use-after-free when removing data about origins
• BZ - 1812200 - CVE-2020-6806 Mozilla: BodyStream::OnInputStreamReady was missing protections against state confusion
• BZ - 1812201 - CVE-2020-6807 Mozilla: Use-after-free in cubeb during stream destruction
• BZ - 1812202 - CVE-2020-6811 Mozilla: Devtools' 'Copy as cURL' feature did not fully escape website-controlled data, potentially leading to command injection
• BZ - 1812203 - CVE-2019-20503 Mozilla: Out of bounds reads in sctp_load_addresses_from_init
• BZ - 1812204 - CVE-2020-6812 Mozilla: The names of AirPods with personally identifiable information were exposed to websites with camera or microphone permission
• BZ - 1812205 - CVE-2020-6814 Mozilla: Memory safety bugs fixed in Firefox 74 and Firefox ESR 68.6

CVEs

• CVE-2019-20503
• CVE-2020-6805
• CVE-2020-6806
• CVE-2020-6807
• CVE-2020-6811
• CVE-2020-6812
• CVE-2020-6814

References

• https://access.redhat.com/security/updates/classification/#important