SB2020101910 - Denial of service in YubiHSM2 SDK

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Main Vulnerability Database SB2020101910

SB2020101910 - Denial of service in YubiHSM2 SDK

Published: October 19, 2020

Security Bulletin ID SB2020101910
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2020-24387)

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.


2) Input validation error (CVE-ID: CVE-2020-24388)

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 update from vendor's website.

References