CVE-2020-16150
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
A Lucky 13 timing side channel in mbedtls_ssl_decrypt_buf in library/ssl_msg.c in Trusted Firmware Mbed TLS through 2.23.0 allows an attacker to recover secret key information. This affects CBC mode because of a computed time difference based on a padding length.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-16150
Vendor advisory: arch — https://security.archlinux.org/ASA-202101-7
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2.25.0-1 | |
| debian | bookworm | fixed | 2.16.9-0.1 |
| debian | bullseye | fixed | 2.16.9-0.1 |
| debian | forky | fixed | 2.16.9-0.1 |
| debian | sid | fixed | 2.16.9-0.1 |
| debian | trixie | fixed | 2.16.9-0.1 |
References
Verify integrity in audit chain (admin only). AS-IS.