p PatchFirst

CVE-2018-18509

CVE-2018-18509

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

A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird < 60.5.1.

CVSS 5.3 · Medium · EPSS 1.7% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • thunderbird

    Versions
    • ≥ unspecified, < 60.5.1: Affected (custom)

    Update to 60.5.1

  • thunderbird Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:60.5.1-1

    Update to 1:60.5.1-1

  • thunderbird Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:60.5.1-1

    Update to 1:60.5.1-1

  • thunderbird Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:60.5.1-1

    Update to 1:60.5.1-1

  • thunderbird Ubuntu:14.04:LTS

    Versions
    • 1:24.0+build1-0ubuntu1
    • 1:24.0+build1-0ubuntu2
    • 1:24.1.1+build1-0ubuntu0.13.10.1
    • 1:24.1.1+build1-0ubuntu1
    • 1:24.2.0+build1-0ubuntu1
    • 1:24.4.0+build1-0ubuntu1
    • 1:24.5.0+build1-0ubuntu0.14.04.1
    • 1:24.6.0+build1-0ubuntu0.14.04.1
    • 1:31.0+build1-0ubuntu0.14.04.1
    • 1:31.1.1+build1-0ubuntu0.14.04.1
    • 1:31.1.2+build1-0ubuntu0.14.04.1
    • 1:31.2.0+build2-0ubuntu0.14.04.1
    • 1:31.3.0+build1-0ubuntu0.14.04.1
    • 1:31.4.0+build1-0ubuntu0.14.04.1
    • 1:31.5.0+build1-0ubuntu0.14.04.1
    • 1:31.6.0+build1-0ubuntu0.14.04.1
    • 1:31.7.0+build1-0ubuntu0.14.04.1
    • 1:31.8.0+build1-0ubuntu0.14.04.1
    • 1:38.2.0+build1-0ubuntu0.14.04.1
    • 1:38.3.0+build1-0ubuntu0.14.04.1
    • 1:38.4.0+build3-0ubuntu0.14.04.1
    • 1:38.5.1+build2-0ubuntu0.14.04.1
    • 1:38.6.0+build1-0ubuntu0.14.04.1
    • 1:38.7.2+build1-0ubuntu0.14.04.1
    • 1:38.8.0+build1-0ubuntu0.14.04.1
    • 1:45.2.0+build1-0ubuntu0.14.04.3
    • 1:45.3.0+build1-0ubuntu0.14.04.4
    • 1:45.4.0+build1-0ubuntu0.14.04.1
    • 1:45.5.1+build1-0ubuntu0.14.04.1
    • 1:45.7.0+build1-0ubuntu0.14.04.1
    • 1:45.8.0+build1-0ubuntu0.14.04.1
    • 1:52.1.1+build1-0ubuntu0.14.04.1
    • 1:52.2.1+build1-0ubuntu0.14.04.1
    • 1:52.3.0+build1-0ubuntu0.14.04.1
    • 1:52.4.0+build1-0ubuntu0.14.04.2
    • 1:52.5.0+build1-0ubuntu0.14.04.1
    • 1:52.6.0+build1-0ubuntu0.14.04.1
    • 1:52.7.0+build1-0ubuntu0.14.04.1
    • 1:52.8.0+build1-0ubuntu0.14.04.1
    • 1:52.9.1+build3-0ubuntu0.14.04.1
    • 1:60.2.1+build1-0ubuntu0.14.04.2
    • 1:60.4.0+build2-0ubuntu0.14.04.1
    Affected ranges
    • ECOSYSTEM: < 1:60.5.1+build2-0ubuntu0.14.04.1

    Update to 1:60.5.1+build2-0ubuntu0.14.04.1

  • 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
    Affected ranges
    • ECOSYSTEM: < 1:60.5.1+build2-0ubuntu0.16.04.1

    Update to 1:60.5.1+build2-0ubuntu0.16.04.1

  • 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
    Affected ranges
    • ECOSYSTEM: < 1:60.5.1+build2-0ubuntu0.18.04.1

    Update to 1:60.5.1+build2-0ubuntu0.18.04.1

Original sources

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