Vulnerabilities > CVE-2020-36422 - Information Exposure Through Discrepancy vulnerability in multiple products

CVSS 5.3 - MEDIUM

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

LOW

Integrity impact

NONE

Availability impact

NONE

network

low complexity

arm

debian

CWE-203

NVD

Published: 2021-07-19

Updated: 2023-01-11

Summary

An issue was discovered in Arm Mbed TLS before 2.23.0. A side channel allows recovery of an ECC private key, related to mbedtls_ecp_check_pub_priv, mbedtls_pk_parse_key, mbedtls_pk_parse_keyfile, mbedtls_ecp_mul, and mbedtls_ecp_mul_restartable.

Vulnerable Configurations

Part	Description	Count
Application	Arm ARM Mbed TLS 2.17.0 ARM Mbed TLS 2.18.0 ARM Mbed TLS 2.18.1 ARM Mbed TLS 2.19.0 ARM Mbed TLS 2.19.1 ARM Mbed TLS 2.20.0 ARM Mbed TLS 2.21.0 ARM Mbed TLS 2.22.0 ARM Mbed TLS - ARM Mbed TLS 1.3.0 ARM Mbed TLS 1.3.1 ARM Mbed TLS 1.3.2 ARM Mbed TLS 1.3.3 ARM Mbed TLS 1.3.4 ARM Mbed TLS 1.3.5 ARM Mbed TLS 1.3.6 ARM Mbed TLS 1.3.7 ARM Mbed TLS 1.3.8 ARM Mbed TLS 1.3.9 ARM Mbed TLS 1.3.10 ARM Mbed TLS 1.3.11 ARM Mbed TLS 1.3.12 ARM Mbed TLS 1.3.13 ARM Mbed TLS 1.3.14 ARM Mbed TLS 1.3.15 ARM Mbed TLS 1.3.16 ARM Mbed TLS 1.3.17 ARM Mbed TLS 1.3.18 ARM Mbed TLS 1.3.19 ARM Mbed TLS 1.3.20 ARM Mbed TLS 1.3.21 ARM Mbed TLS 1.3.22 ARM Mbed TLS 2.0.0 ARM Mbed TLS 2.1.0 ARM Mbed TLS 2.1.1 ARM Mbed TLS 2.1.2 ARM Mbed TLS 2.1.3 ARM Mbed TLS 2.1.4 ARM Mbed TLS 2.1.5 ARM Mbed TLS 2.1.6 ARM Mbed TLS 2.1.7 ARM Mbed TLS 2.1.8 ARM Mbed TLS 2.1.9 ARM Mbed TLS 2.1.10 ARM Mbed TLS 2.1.11 ARM Mbed TLS 2.1.12 ARM Mbed TLS 2.1.13 ARM Mbed TLS 2.1.14 ARM Mbed TLS 2.1.15 ARM Mbed TLS 2.1.16 ARM Mbed TLS 2.1.17 ARM Mbed TLS 2.1.18 ARM Mbed TLS 2.2.0 ARM Mbed TLS 2.2.1 ARM Mbed TLS 2.2.2 ARM Mbed TLS 2.2.3 ARM Mbed TLS 2.3.0 ARM Mbed TLS 2.3.1 ARM Mbed TLS 2.3.2 ARM Mbed TLS 2.4.0 ARM Mbed TLS 2.4.1 ARM Mbed TLS 2.4.2 ARM Mbed TLS 2.5.0 ARM Mbed TLS 2.5.1 ARM Mbed TLS 2.6.0 ARM Mbed TLS 2.6.1 ARM Mbed TLS 2.7.0 ARM Mbed TLS 2.7.1 ARM Mbed TLS 2.7.2 ARM Mbed TLS 2.7.3 ARM Mbed TLS 2.7.4 ARM Mbed TLS 2.7.5 ARM Mbed TLS 2.7.6 ARM Mbed TLS 2.7.7 ARM Mbed TLS 2.7.8 ARM Mbed TLS 2.7.9 ARM Mbed TLS 2.7.10 ARM Mbed TLS 2.7.11 ARM Mbed TLS 2.7.12 ARM Mbed TLS 2.7.13 ARM Mbed TLS 2.7.14 ARM Mbed TLS 2.7.15 ARM Mbed TLS 2.7.16 ARM Mbed TLS 2.7.17 ARM Mbed TLS 2.7.18 ARM Mbed TLS 2.8.0 ARM Mbed TLS 2.9.0 ARM Mbed TLS 2.10.0 ARM Mbed TLS 2.11.0 ARM Mbed TLS 2.12.0 ARM Mbed TLS 2.13.0 ARM Mbed TLS 2.13.1 ARM Mbed TLS 2.14.0 ARM Mbed TLS 2.14.1 ARM Mbed TLS 2.15.0 ARM Mbed TLS 2.15.1 ARM Mbed TLS 2.16.0 ARM Mbed TLS 2.16.1 ARM Mbed TLS 2.16.2 ARM Mbed TLS 2.16.3 ARM Mbed TLS 2.16.4 ARM Mbed TLS 2.16.5 ARM Mbed TLS 2.16.6	137
OS	Debian Debian Debian Linux 10.0	1

Common Weakness Enumeration (CWE)

CWE-203 - Information Exposure Through Discrepancy

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References