CVE-2018-7167 Denial of service in Node.js

What is CVE-2018-7167?

CVE-2018-7167 is a high-severity denial of service vulnerability in Nodejs Node.js, published on 13 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Calling Buffer.fill() or Buffer.alloc() with some parameters can lead to a hang which could result in a Denial of Service. In order to address this vulnerability, the implementations of Buffer.alloc() and Buffer.fill() were updated so that they zero fill instead of hanging in these cases. All versions of Node.js 6.x (LTS "Boron"), 8.x (LTS "Carbon"), and 9.x are vulnerable. All versions of Node.js 10.x (Current) are NOT vulnerable.

Weakness: CWE-119

Which versions are affected by CVE-2018-7167?

It affects 1 product.

Products include Nodejs Node.js.

How do I fix CVE-2018-7167?

Upgrade to a fixed version.

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-2018-7167 being exploited?

There is no known exploitation of CVE-2018-7167 in the wild and no public exploit code.

Other vulnerabilities in Nodejs Node.js

• CVE-2023-32002 Security feature bypass in Node Critical 9.8
• CVE-2016-6303 Integer overflow in n/a Critical 9.8
• CVE-2017-15896 Security feature bypass in Node.js Critical 9.1
• CVE-2018-7160 Server-side request forgery in Node.js High 8.8
• CVE-2018-12120 Misconfiguration in Node.js High 8.1

All Nodejs Node.js vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2018-7167, CLEANSTART-2026-JF88301, CLEANSTART-2026-WI10570, DEBIAN-CVE-2018-7167, GHSA-jr5v-587f-389p, SUSE-SU-2018:1892-1 and 1 more.