CVE-2023-23919 Denial of service in Node

High 7.5 Published Updated

Attackers can cause denial of service in Node.js by triggering false positive errors in cryptographic operations due to uncleared OpenSSL error stacks.

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

What is CVE-2023-23919?

CVE-2023-23919 is a high-severity denial of service vulnerability in Nodejs Node.js, published on 23 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A cryptographic vulnerability exists in Node.js <19.2.0, <18.14.1, <16.19.1, <14.21.3 that in some cases did does not clear the OpenSSL error stack after operations that may set it. This may lead to false positive errors during subsequent cryptographic operations that happen to be on the same thread. This in turn could be used to cause a denial of service.

Weakness: CWE-310

Which versions are affected by CVE-2023-23919?

2 open source packages ship an affected version, including node and node-min. It affects 1 product.

PackageAffectedFixed in
node BitnamiFrom 14.0.014.21.3, 16.19.1, 18.14.1, 19.2.0
node-min BitnamiFrom 14.0.014.21.3, 16.19.1, 18.14.1, 19.2.0

Products include Nodejs Node.js.

How do I fix CVE-2023-23919?

Upgrade node to a fixed version for your release line: 14.21.3, 16.19.1, 18.14.1 or 19.2.0.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-23919 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-23919 exists.

All Nodejs Node.js vulnerabilities

Sources

Also known as ALPINE-CVE-2023-23919, AZL-13684, BIT-node-2023-23919, BIT-node-min-2023-23919, CLEANSTART-2026-BC88779, CLEANSTART-2026-SS08335 and 2 more.

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