CVE-2021-23396 Prototype Pollution

Medium 5.6 Published Updated

Prototype pollution in the lutils merge function allows attackers to manipulate object prototypes, potentially leading to code execution or privilege escalation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-23396?

CVE-2021-23396 is a medium-severity vulnerability in lutils, published on 17 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

All versions of package lutils are vulnerable to Prototype Pollution via the main (merge) function.

Weakness: CWE-1321

Which versions are affected by CVE-2021-23396?

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

PackageAffectedFixed in
lutils npmAll versions to 2.4.0None
lutils npmAll versions to 2.4.0None

Products include Lutils Project Lutils.

How do I fix CVE-2021-23396?

No fix has been published for CVE-2021-23396 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-23396 being exploited?

There is no known exploitation of CVE-2021-23396 in the wild and no public exploit code.

Sources

Also known as GHSA-3r8w-mphv-2f3f.

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