| Release Date: | 2020-05-22 | |
| Impact: | None | What is this? |
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.
See more information about CVE-2020-12397 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
| Base Score: | 4.3 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | Low |
| Availability Impact: | None |
| Platform | Errata | Release Date |
| Oracle Linux version 6 (thunderbird) | ELSA-2020-2049 | 2020-07-07 |
| Oracle Linux version 7 (thunderbird) | ELSA-2020-2050 | 2020-05-12 |
| Oracle Linux version 8 (thunderbird) | ELSA-2020-2046 | 2020-05-12 |
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