VDB
CVE-2020-16150
CVE-2020-16150
PUBLISHED
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.
EPSS 0.08% · 23.0th percentile
Risk Scores
EPSS Score
0.08%
23.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | mbedtls | 2.8.0-1, 0, 2.6.0-1 |
| Ubuntu:16.04:LTS | mbedtls | 2.2.1-2ubuntu0.3, 2.2.0-1, 2.2.1-2 |
| Ubuntu:20.04:LTS | mbedtls | 0, 2.16.2-1, 2.16.4-1ubuntu2 |
Timeline
- Sep 2, 2020 CVE Published
- Sep 25, 2020 CVE Updated
- Apr 14, 2021 EPSS Score
- Jun 22, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 25, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 27, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 2, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-16150 third-party-advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-1 third-party-advisory
- https://tls.mbed.org/tech-updates/security-advisories third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-16150 third-party-advisory