Information Exposure Affecting mbedtls package, versions <2.16.9-0.1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.22% (61st percentile)

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  • Snyk IDSNYK-DEBIAN12-MBEDTLS-1553534
  • published23 Jul 2021
  • disclosed19 Jul 2021

Introduced: 19 Jul 2021

CVE-2020-36421  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade Debian:12 mbedtls to version 2.16.9-0.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mbedtls package and not the mbedtls package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

An issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed.

CVSS Scores

version 3.1