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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.0760
                  Security update for MozillaThunderbird
                               3 March 2021

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           MozillaThunderbird
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Access Confidential Data        -- Remote with User Interaction
                   Reduced Security                -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-23978 CVE-2021-23973 CVE-2021-23969
                   CVE-2021-23968  

Reference:         ESB-2021.0739
                   ESB-2021.0744

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20210661-1

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SUSE Security Update: Security update for MozillaThunderbird

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:0661-1
Rating:            important
References:        #1182357 #1182614
Cross-References:  CVE-2021-23968 CVE-2021-23969 CVE-2021-23973 CVE-2021-23978
Affected Products:
                   SUSE Linux Enterprise Workstation Extension 15-SP2
______________________________________________________________________________

An update that fixes four vulnerabilities is now available.

Description:

This update for MozillaThunderbird fixes the following issues:

  o Mozilla Thunderbird 78.8 * fixed: Importing an address book from a CSV file
    always reported an error * fixed: Security information for S/MIME messages
    was not displayed correctly prior to a draft being saved * fixed: Calendar:
    FileLink UI fixes for Caldav calendars * fixed: Recurring tasks were always
    marked incomplete; unable to use filters * fixed: Various UI widgets not
    working * fixed: Dark theme improvements * fixed: Extension manager was
    missing link to addon support web page * fixed: Various security fixes MFSA
    2021-09 (bsc#1182614) * CVE-2021-23969: Content Security Policy violation
    report could have contained the destination of a redirect * CVE-2021-23968:
    Content Security Policy violation report could have contained the
    destination of a redirect * CVE-2021-23973: MediaError message property
    could have leaked information about cross-origin resources *
    CVE-2021-23978: Memory safety bugs fixed in Thunderbird 78.8

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  o SUSE Linux Enterprise Workstation Extension 15-SP2:
    zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2021-661=1

Package List:

  o SUSE Linux Enterprise Workstation Extension 15-SP2 (x86_64):
       MozillaThunderbird-78.8.0-8.15.4
       MozillaThunderbird-debuginfo-78.8.0-8.15.4
       MozillaThunderbird-debugsource-78.8.0-8.15.4
       MozillaThunderbird-translations-common-78.8.0-8.15.4
       MozillaThunderbird-translations-other-78.8.0-8.15.4


References:

  o https://www.suse.com/security/cve/CVE-2021-23968.html
  o https://www.suse.com/security/cve/CVE-2021-23969.html
  o https://www.suse.com/security/cve/CVE-2021-23973.html
  o https://www.suse.com/security/cve/CVE-2021-23978.html
  o https://bugzilla.suse.com/1182357
  o https://bugzilla.suse.com/1182614

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