CVE-2021-22931

Published: 16 August 2021

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.

Notes

Author	Note
sbeattie	(from debian) nodejs uses system c-ares which fixed CVE-2021-3672 and so this entry might be not-affected

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
nodejs Launchpad, Ubuntu, Debian	bionic	Not vulnerable (8.10.0~dfsg-2ubuntu0.4+esm2)
	focal	Not vulnerable (10.19.0~dfsg-3ubuntu1.1)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Not vulnerable (12.22.9~dfsg-1ubuntu3)
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Not vulnerable (18.13.0+dfsg1-1ubuntu2)
	mantic	Not vulnerable (18.13.0+dfsg1-1ubuntu2)
	trusty	Not vulnerable (0.10.25~dfsg2-2ubuntu1.2+esm1)
	upstream	Needs triage
	xenial	Not vulnerable (4.2.6~dfsg-1ubuntu4.2+esm2)

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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