#VU47721 Input validation error in yubihsm-shell and YubiHSM2 SDK - CVE-2020-24387 

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Main Vulnerability Database Vulnerabilities #VU47721

#VU47721 Input validation error in yubihsm-shell and YubiHSM2 SDK - CVE-2020-24387

Published: October 19, 2020


Vulnerability identifier: #VU47721
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-24387
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
yubihsm-shell
YubiHSM2 SDK
Software vendor:
Yubico

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within yubihsm-shell library, which is part of the YubiHSM2 SDK. A maliciously-crafted YubiHSM2 device, or someone with access to the HTTP traffic between a client and server handling the device, could cause the yubihsm library to crash.


Remediation

Install updates from vendor's website.

External links