CVE-2020-24388

State: Published
Severity: Not scored
Published: Oct 19, 2020
Updated: Aug 4, 2024
Reserved: Aug 19, 2020

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/Yubico/yubihsm-shell
https://developers.yubico.com/yubihsm-shell/
https://www.yubico.com/support/security-advisories/ysa-2020-06/
https://blog.inhq.net/posts/yubico-libyubihsm-vuln/
FEDORA-2020-8afd443d46vendor-advisory

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