CVE-2021-22931

Description

Node.js before 16.6.0, 14.17.4, and 12.22.4 is vulnerable to Remote Code Execution, XSS, Application crashes due to missing input validation of host names returned by Domain Name Servers in Node.js dns library which can lead to output of wrong hostnames (leading to Domain Hijacking) and injection vulnerabilities in applications using the library.

How to fix CVE-2021-22931

To remediate CVE-2021-22931, upgrade the affected package to a fixed version below.

• —upgrade to 12.22.5-r0 or later
• —upgrade to 12.12.1 or later
• —upgrade to 12.12.1 or later

Is CVE-2021-22931 being exploited?

Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.

Affected packages (3)

• from 0, < 12.22.5-r0
• >= 12.0.0, < 12.12.1, >= 12.13.0, < 12.22.5, >= 14.0.0, < 14.14.1, >= 14.15.0, < 14.17.5, >= 16.0.0, < 16.6.2
• >= 12.0.0, < 12.12.1, >= 12.13.0, < 12.22.5, >= 14.0.0, < 14.14.1, >= 14.15.0, < 14.17.5, >= 16.0.0, < 16.6.2

CVSS scores

References (11)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2021-22931
• WEBcert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• WEBhackerone.com/reports/1178337
• WEBnodejs.org/en/blog/vulnerability/aug-2021-security-releases/
• WEB