CVE-2020-12397
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-12397
Vendor advisory: arch — https://security.archlinux.org/ASA-202005-7
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 68.8.0-1 | |
| debian | bookworm | fixed | 1:68.8.0-1 |
| debian | bullseye | fixed | 1:68.8.0-1 |
| debian | forky | fixed | 1:68.8.0-1 |
| debian | sid | fixed | 1:68.8.0-1 |
| debian | trixie | fixed | 1:68.8.0-1 |
References
Verify integrity in audit chain (admin only). AS-IS.