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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.1329
      MFSA 2021-17 Security Vulnerabilities fixed in Thunderbird 78.9
                               21 April 2021

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

Product:           Thunderbird
Publisher:         Mozilla
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Access Privileged Data -- Unknown/Unspecified
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-29950  

Original Bulletin: 
   https://www.mozilla.org/en-US/security/advisories/mfsa2021-17/

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Mozilla Foundation Security Advisory 2021-17

Security Vulnerabilities fixed in Thunderbird 78.9.1

Announced: March  8, 2021
Impact:    moderate
Products:  Thunderbird
Fixed in:  Thunderbird 78.8.1

Note: This advisory was issued April 20, 2021 to include CVE-2021-29950.

# CVE-2021-29950: Logic issue potentially leaves key material unlocked

Reporter: Cure53
Impact:   moderate

Description

Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption,
signing or key import task. If the task runs into a failure, the secret key may
remain in memory in its unprotected state.

References

  o Bug 1673239

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===========================================================================
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The University of Queensland
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Internet Email: auscert@auscert.org.au
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