Side-Channel Vulnerability in Trusted Firmware Mbed TLS 2.24.0 Allows Secret RSA Key Extraction via Controlled-Channel and Side-Channel Attacks

CVE-2021-24119 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

In Trusted Firmware Mbed TLS 2.24.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.

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