CVE-2020-24388

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered in the _send_secure_msg() function of yubihsm-shell through 2.0.2. The function does not validate the embedded length field of a message received from the device. This could lead to an oversized memcpy() call that will crash the running process. This could be used by an attacker to cause a denial of service.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20 CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Oct 19, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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