RedHat: RHSA-2020-0576:01 Important: thunderbird security update

    Date24 Feb 2020
    373
    Posted ByLinuxSecurity Advisories
    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 impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: thunderbird security update
    Advisory ID:       RHSA-2020:0576-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0576
    Issue date:        2020-02-24
    CVE Names:         CVE-2020-6792 CVE-2020-6793 CVE-2020-6794 
                       CVE-2020-6795 CVE-2020-6798 CVE-2020-6800 
    =====================================================================
    
    1. Summary:
    
    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 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.
    
    2. 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
    
    3. 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.
    
    4. 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.
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    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
    
    6. 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/
    
    7. 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/
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2020 Red Hat, Inc.
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