CVE-2021-23444 Prototype Pollution

Medium 5.6 Published Updated

Attackers can bypass previous security fixes via type confusion in the setByPath function, potentially leading to prototype pollution in JointJS applications.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2021-23444?

CVE-2021-23444 is a medium-severity vulnerability in jointjs, published on 21 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This affects the package jointjs before 3.4.2. A type confusion vulnerability can lead to a bypass of CVE-2020-28480 when the user-provided keys used in the path parameter are arrays in the setByPath function.

Weakness: CWE-843

Which versions are affected by CVE-2021-23444?

2 open source packages ship an affected version, including jointjs. It affects 1 product.

PackageAffectedFixed in
jointjs npmAll versions3.4.2
jointjs npmAll versions3.4.2

Products include Client Jointjs.

How do I fix CVE-2021-23444?

Upgrade jointjs to 3.4.2 or later.

Is CVE-2021-23444 being exploited?

There is no known exploitation of CVE-2021-23444 in the wild and no public exploit code.

Sources

Also known as GHSA-f3pp-32qc-36w4.

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