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CVE-2020-12398

CVE-2020-12398

This page contains facts from public vulnerability sources. Check the original advisory before updating.

If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0.

CVSS 7.5 · High · EPSS 1.0% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • thunderbird

    Versions
    • ≥ unspecified, < 68.9.0: Affected (custom)

    Update to 68.9.0

  • thunderbird Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:68.9.0-1

    Update to 1:68.9.0-1

  • thunderbird Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:68.9.0-1

    Update to 1:68.9.0-1

  • thunderbird Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:68.9.0-1

    Update to 1:68.9.0-1

  • thunderbird Ubuntu:16.04:LTS

    Versions
    • 1:38.3.0+build1-0ubuntu2
    • 1:38.5.1+build2-0ubuntu1
    • 1:38.6.0+build1-0ubuntu1
    • 1:38.7.2+build1-0ubuntu0.16.04.1
    • 1:38.8.0+build1-0ubuntu0.16.04.1
    • 1:45.2.0+build1-0ubuntu0.16.04.1
    • 1:45.3.0+build1-0ubuntu0.16.04.2
    • 1:45.4.0+build1-0ubuntu0.16.04.1
    • 1:45.5.1+build1-0ubuntu0.16.04.1
    • 1:45.7.0+build1-0ubuntu0.16.04.1
    • 1:45.8.0+build1-0ubuntu0.16.04.1
    • 1:52.1.1+build1-0ubuntu0.16.04.1
    • 1:52.2.1+build1-0ubuntu0.16.04.1
    • 1:52.3.0+build1-0ubuntu0.16.04.1
    • 1:52.4.0+build1-0ubuntu0.16.04.2
    • 1:52.5.0+build1-0ubuntu0.16.04.1
    • 1:52.6.0+build1-0ubuntu0.16.04.1
    • 1:52.7.0+build1-0ubuntu0.16.04.1
    • 1:52.8.0+build1-0ubuntu0.16.04.1
    • 1:52.9.1+build3-0ubuntu0.16.04.1
    • 1:60.2.1+build1-0ubuntu0.16.04.4
    • 1:60.4.0+build2-0ubuntu0.16.04.1
    • 1:60.5.1+build2-0ubuntu0.16.04.1
    • 1:60.6.1+build2-0ubuntu0.16.04.1
    • 1:60.7.0+build1-0ubuntu0.16.04.1
    • 1:60.7.1+build1-0ubuntu0.16.04.1
    • 1:60.7.2+build2-0ubuntu0.16.04.1
    • 1:60.8.0+build1-0ubuntu0.16.04.2
    • 1:60.9.0+build1-0ubuntu0.16.04.2
    • 1:60.9.1+build1-0ubuntu0.16.04.1
    • 1:68.7.0+build1-0ubuntu0.16.04.2
    • 1:68.8.0+build2-0ubuntu0.16.04.2
    Affected ranges
    • ECOSYSTEM: < 1:68.10.0+build1-0ubuntu0.16.04.1

    Update to 1:68.10.0+build1-0ubuntu0.16.04.1

  • thunderbird Ubuntu:18.04:LTS

    Versions
    • 1:52.4.0+build1-0ubuntu2
    • 1:52.6.0+build1-0ubuntu1
    • 1:52.7.0+build1-0ubuntu1
    • 1:52.8.0+build1-0ubuntu0.18.04.1
    • 1:52.9.1+build3-0ubuntu0.18.04.1
    • 1:60.2.1+build1-0ubuntu0.18.04.2
    • 1:60.4.0+build2-0ubuntu0.18.04.1
    • 1:60.5.1+build2-0ubuntu0.18.04.1
    • 1:60.6.1+build2-0ubuntu0.18.04.1
    • 1:60.7.0+build1-0ubuntu0.18.04.1
    • 1:60.7.1+build1-0ubuntu0.18.04.1
    • 1:60.7.2+build2-0ubuntu0.18.04.1
    • 1:60.8.0+build1-0ubuntu0.18.04.1
    • 1:60.9.0+build1-0ubuntu0.18.04.1
    • 1:68.2.1+build1-0ubuntu0.18.04.1
    • 1:68.2.2+build1-0ubuntu0.18.04.1
    • 1:68.4.1+build1-0ubuntu0.18.04.1
    • 1:68.7.0+build1-0ubuntu0.18.04.1
    • 1:68.8.0+build2-0ubuntu0.18.04.2
    Affected ranges
    • ECOSYSTEM: < 1:68.10.0+build1-0ubuntu0.18.04.1

    Update to 1:68.10.0+build1-0ubuntu0.18.04.1

  • thunderbird Ubuntu:20.04:LTS

    Versions
    • 1:68.1.2+build1-0ubuntu1
    • 1:68.1.2+build1-0ubuntu2
    • 1:68.2.1+build1-0ubuntu1
    • 1:68.2.2+build1-0ubuntu1
    • 1:68.3.0+build2-0ubuntu1
    • 1:68.3.1+build1-0ubuntu2
    • 1:68.4.1+build1-0ubuntu1
    • 1:68.4.2+build2-0ubuntu1
    • 1:68.5.0+build1-0ubuntu1
    • 1:68.6.0+build2-0ubuntu1
    • 1:68.7.0+build1-0ubuntu1
    • 1:68.7.0+build1-0ubuntu2
    • 1:68.8.0+build2-0ubuntu0.20.04.2
    Affected ranges
    • ECOSYSTEM: < 1:68.10.0+build1-0ubuntu0.20.04.1

    Update to 1:68.10.0+build1-0ubuntu0.20.04.1

Original sources

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