Use of a Broken or Risky Cryptographic Algorithm in the function mbedtls_mpi_exp_mod() in lignum.c in Mbed TLS Mbed TLS all versions before 3.0.0, 2.27.0 or 2.16.11 allows attackers with access to precise enough timing and memory access information (typically an untrusted operating system attacking a secure enclave such as SGX or the TrustZone secure world) to recover the private keys used in RSA.
CVE-2021-36647 - Medium Severity Vulnerability
Godot Engine ? Multi-platform 2D and 3D game engine
Library home page: https://github.com/godotengine/godot.git
Found in HEAD commit: e6580209fab1312cb824a455d2df99df8a9fb156
Found in base branch: main
Use of a Broken or Risky Cryptographic Algorithm in the function mbedtls_mpi_exp_mod() in lignum.c in Mbed TLS Mbed TLS all versions before 3.0.0, 2.27.0 or 2.16.11 allows attackers with access to precise enough timing and memory access information (typically an untrusted operating system attacking a secure enclave such as SGX or the TrustZone secure world) to recover the private keys used in RSA.
Publish Date: 2023-01-17
URL: CVE-2021-36647
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: High - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: None - Availability Impact: None
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://security-tracker.debian.org/tracker/CVE-2021-36647
Release Date: 2023-01-17
Fix Resolution: mbedtls-2.16.11;mbedtls-2.27.0;mbedtls-3.0.0
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