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CVE-2020-12397

CVE-2020-12397

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

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

CVSS 4.3 · Medium · EPSS 0.6% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • thunderbird

    Versions
    • ≥ unspecified, < 68.8.0: Affected (custom)

    Update to 68.8.0

  • thunderbird Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:68.8.0-1

    Update to 1:68.8.0-1

  • thunderbird Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:68.8.0-1

    Update to 1:68.8.0-1

  • thunderbird Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:68.8.0-1

    Update to 1:68.8.0-1

  • 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
    Affected ranges
    • ECOSYSTEM: < 1:68.8.0+build2-0ubuntu0.16.04.2

    Update to 1:68.8.0+build2-0ubuntu0.16.04.2

  • 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
    Affected ranges
    • ECOSYSTEM: < 1:68.8.0+build2-0ubuntu0.18.04.2

    Update to 1:68.8.0+build2-0ubuntu0.18.04.2

  • 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
    Affected ranges
    • ECOSYSTEM: < 1:68.8.0+build2-0ubuntu0.20.04.2

    Update to 1:68.8.0+build2-0ubuntu0.20.04.2

Original sources

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