SB2020040218 - Red Hat update for Red Hat Virtualization Engine 



SB2020040218 - Red Hat update for Red Hat Virtualization Engine

Published: April 2, 2020

Security Bulletin ID SB2020040218
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Protection mechanism failure (CVE-ID: CVE-2019-10086)

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exist due to Beanutils is not using by default the a special BeanIntrospector class in PropertyUtilsBean that was supposed to suppress the ability for an attacker to access the classloader via the class property available on all Java objects. A remote attacker can abuse such application behavior against applications that were developed to rely on this security feature.


2) Input validation error (CVE-ID: CVE-2019-17195)

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

The vulnerability exists due to Nimbus JOSE+JWT throws various uncaught exceptions while parsing a JWT. A remote attacker can send a specially crafted JWT token and cause the application to crash or potentially bypass authentication.


Remediation

Install update from vendor's website.