User Enumeration Affecting armmbed/mbedtls package, versions [,2.7.17)[2.8.0,2.16.8)[2.17.0,2.24.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-UNMANAGED-ARMMBEDMBEDTLS-2368696
  • published26 Jan 2022
  • disclosed19 Jul 2021
  • creditUnknown

Introduced: 19 Jul 2021

CVE-2020-36424  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade armmbed/mbedtls to version 2.7.17, 2.16.8, 2.24.0 or higher.

Overview

Affected versions of this package are vulnerable to User Enumeration. An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.

CVSS Scores

version 3.1