Vulnerability CVE-2020-12397: Information

Description

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.

Severity: MEDIUM (4.3) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

URL: https://nvd.nist.gov/vuln/detail/CVE-2020-12397
Published: May 22, 2020
Modified: Feb. 28, 2023
Error type identifier: CWE-346

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
thunderbirdsisyphus68.8.0-alt1115.9.0-alt1ALT-PU-2020-1916-1251196Fixed
thunderbirdp1068.8.0-alt1115.9.0-alt1ALT-PU-2020-1916-1251196Fixed
thunderbirdp968.8.0-alt2102.11.0-alt0.c9.1ALT-PU-2020-1933-1251220Fixed
thunderbirdc10f168.8.0-alt1115.9.0-alt0.c10.1ALT-PU-2020-1916-1251196Fixed
thunderbirdc9f268.8.0-alt2102.11.0-alt0.c9.1ALT-PU-2020-1933-1251220Fixed
thunderbirdp1168.8.0-alt1115.9.0-alt1ALT-PU-2020-1916-1251196Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://www.mozilla.org/security/advisories/mfsa2020-18/
  • Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1617370
  • Issue Tracking
  • Patch
  • Vendor Advisory
USN-4373-1
  • Third Party Advisory
https://security.gentoo.org/glsa/202005-03
  • Third Party Advisory

    1. Configuration 1

      cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
      End excliding
      68.8.0

      Configuration 2

      cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
      cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
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