Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2020-12397

Origin Validation Error

Published: May 22, 2020 | Modified: Feb 28, 2023
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
4.3 LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Ubuntu
LOW
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-12397
CWEhttps://cwe.mitre.org/data/definitions/346.html

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.

Weakness

The product does not properly verify that the source of data or communication is valid.

Affected Software

Name Vendor Start Version End Version
Thunderbird Mozilla * 68.8.0 (excluding)
Red Hat Enterprise Linux 6 RedHat thunderbird-0:68.8.0-1.el6_10 *
Red Hat Enterprise Linux 7 RedHat thunderbird-0:68.8.0-1.el7_8 *
Red Hat Enterprise Linux 8 RedHat thunderbird-0:68.8.0-1.el8_2 *
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions RedHat thunderbird-0:68.8.0-1.el8_0 *
Red Hat Enterprise Linux 8.1 Extended Update Support RedHat thunderbird-0:68.8.0-1.el8_1 *
Thunderbird Ubuntu bionic *
Thunderbird Ubuntu devel *
Thunderbird Ubuntu eoan *
Thunderbird Ubuntu focal *
Thunderbird Ubuntu trusty *
Thunderbird Ubuntu upstream *
Thunderbird Ubuntu xenial *

References

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