CVE-2020-36425

medium

Description

An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.

References

https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html

https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17

https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0

https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8

https://github.com/ARMmbed/mbedtls/pull/3433

https://github.com/ARMmbed/mbedtls/issues/3340

https://bugs.gentoo.org/740108

Details

Source: Mitre, NVD

Published: 2021-07-19

Updated: 2023-01-11

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N