RHSA-2019:2807 - 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 60.9.0.

Security Fix(es):

• Mozilla: Covert Content Attack on S/MIME encryption using a crafted multipart/alternative message (CVE-2019-11739)
• Mozilla: Memory safety bugs fixed in Firefox 69, Firefox ESR 68.1, and Firefox ESR 60.9 (CVE-2019-11740)
• Mozilla: Same-origin policy violation with SVG filters and canvas to steal cross-origin images (CVE-2019-11742)
• Mozilla: XSS by breaking out of title and textarea elements using innerHTML (CVE-2019-11744)
• Mozilla: Use-after-free while manipulating video (CVE-2019-11746)
• Mozilla: Use-after-free while extracting a key value in IndexedDB (CVE-2019-11752)
• Mozilla: Cross-origin access to unload event attributes (CVE-2019-11743)

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 - 1748652 - CVE-2019-11740 Mozilla: Memory safety bugs fixed in Firefox 69, Firefox ESR 68.1, Firefox ESR 60.9, Thunderbird 68.1, and Thunderbird 60.9
• BZ - 1748653 - CVE-2019-11742 Mozilla: Same-origin policy violation with SVG filters and canvas to steal cross-origin images
• BZ - 1748654 - CVE-2019-11743 Mozilla: Cross-origin access to unload event attributes
• BZ - 1748655 - CVE-2019-11744 Mozilla: XSS by breaking out of title and textarea elements using innerHTML
• BZ - 1748656 - CVE-2019-11746 Mozilla: Use-after-free while manipulating video
• BZ - 1748657 - CVE-2019-11752 Mozilla: Use-after-free while extracting a key value in IndexedDB
• BZ - 1752307 - CVE-2019-11739 Mozilla: Covert Content Attack on S/MIME encryption using a crafted multipart/alternative message

CVEs

• CVE-2019-11739
• CVE-2019-11740
• CVE-2019-11742
• CVE-2019-11743
• CVE-2019-11744
• CVE-2019-11746
• CVE-2019-11752

References

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