CVE-2020-16150: Information Exposure Through Discrepancy

September 2, 2020 (updated September 25, 2020)

A Lucky timing side channel in mbedtls_ssl_decrypt_buf in library/ssl_msg.c in Trusted Firmware Mbed TLS allows an attacker to recover secret key information. This affects CBC mode because of a computed time difference based on a padding length.

References

nvd.nist.gov/vuln/detail/CVE-2020-16150
tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-1

Code Behaviors & Features

Detect and mitigate CVE-2020-16150 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →