What is the severity of CVE-2020-3946?

CVE-2020-3946 has been assessed as a high severity vulnerability due to its potential to cause denial-of-service through the Billion laughs attack.

How do I fix CVE-2020-3946?

To mitigate CVE-2020-3946, upgrade your VMware InstallBuilder to version 19.11 or later.

What is the Billion laughs attack related to CVE-2020-3946?

The Billion laughs attack is a form of denial-of-service that exploits the XML parser's ability to handle nested entities, leading to resource exhaustion.

Which versions of VMware InstallBuilder are affected by CVE-2020-3946?

VMware InstallBuilder versions earlier than 19.11 are vulnerable to CVE-2020-3946.

What is the potential impact of CVE-2020-3946?

The impact of CVE-2020-3946 includes system unavailability and potential disruption of services due to a denial-of-service attack.

Vulnerability/
CVE-2020-3946

high

7.5

CWE

776

20/4/2020

4/8/2024

CVE-2020-3946

First published: Mon Apr 20 2020(Updated: )

InstallBuilder AutoUpdate tool and regular installers enabling <checkForUpdates> built with versions earlier than 19.11 are vulnerable to Billion laughs attack (denial-of-service).

Credit: security@vmware.com

Affected Software	Affected Version	How to fix
Vmware Installbuilder	<19.11.0

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Reference Links

https://blog.installbuilder.com/2019/12/configure-autoupdate-project-settings.html

Frequently Asked Questions

What is the severity of CVE-2020-3946?
CVE-2020-3946 has been assessed as a high severity vulnerability due to its potential to cause denial-of-service through the Billion laughs attack.
How do I fix CVE-2020-3946?
To mitigate CVE-2020-3946, upgrade your VMware InstallBuilder to version 19.11 or later.
What is the Billion laughs attack related to CVE-2020-3946?
The Billion laughs attack is a form of denial-of-service that exploits the XML parser's ability to handle nested entities, leading to resource exhaustion.
Which versions of VMware InstallBuilder are affected by CVE-2020-3946?
VMware InstallBuilder versions earlier than 19.11 are vulnerable to CVE-2020-3946.
What is the potential impact of CVE-2020-3946?
The impact of CVE-2020-3946 includes system unavailability and potential disruption of services due to a denial-of-service attack.

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Frequently Asked Questions

What is the severity of CVE-2020-3946?
CVE-2020-3946 has been assessed as a high severity vulnerability due to its potential to cause denial-of-service through the Billion laughs attack.
How do I fix CVE-2020-3946?
To mitigate CVE-2020-3946, upgrade your VMware InstallBuilder to version 19.11 or later.
What is the Billion laughs attack related to CVE-2020-3946?
The Billion laughs attack is a form of denial-of-service that exploits the XML parser's ability to handle nested entities, leading to resource exhaustion.
Which versions of VMware InstallBuilder are affected by CVE-2020-3946?
VMware InstallBuilder versions earlier than 19.11 are vulnerable to CVE-2020-3946.
What is the potential impact of CVE-2020-3946?
The impact of CVE-2020-3946 includes system unavailability and potential disruption of services due to a denial-of-service attack.