CVE-2020-12399
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2020:3280
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-12399
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-12399.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202006-1
Vendor advisory: arch — https://security.archlinux.org/ASA-202006-4
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 68.9.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 77.0-1 |
| debian | bookworm | fixed | 68.9.0esr-1 |
| debian | bullseye | fixed | 68.9.0esr-1 |
| debian | forky | fixed | 68.9.0esr-1 |
| debian | trixie | fixed | 68.9.0esr-1 |
| rocky | 8 | fixed | |
References
Verify integrity in audit chain (admin only). AS-IS.