CVE-2021-45450 Information

Description

In Mbed TLS before 2.28.0 and 3.x before 3.1.0 psa_cipher_generate_iv and psa_cipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.

CVSS Vector

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

Reference

https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5