CVE-2021-23624 Prototype Pollution

Medium 5.6 Published Updated

Attackers can bypass previous security fixes via type confusion in the dotty library, potentially leading to prototype pollution or unauthorized access.

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

What is CVE-2021-23624?

CVE-2021-23624 is a medium-severity vulnerability in dotty, published on 3 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.

Weakness: CWE-843

Which versions are affected by CVE-2021-23624?

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

PackageAffectedFixed in
dotty npmAll versions0.1.2
dotty npmAll versions0.1.2

Products include Dotty Project Dotty.

How do I fix CVE-2021-23624?

Upgrade dotty to 0.1.2 or later.

Is CVE-2021-23624 being exploited?

There is no known exploitation of CVE-2021-23624 in the wild and no public exploit code.

Sources

Also known as GHSA-6g47-63mv-qpgh, SNYK-JS-DOTTY-1577292.

Is CVE-2021-23624 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free