CVE Vulnerabilities

CVE-2021-22931

Improper Null Termination

Published: Aug 16, 2021 | Modified: Nov 21, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
5 MODERATE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Ubuntu
MEDIUM
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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.

Weakness

The product does not terminate or incorrectly terminates a string or array with a null character or equivalent terminator.

Affected Software

NameVendorStart VersionEnd Version
Node.jsNodejs12.0.0 (including)12.12.0 (including)
Node.jsNodejs12.13.0 (including)12.22.5 (excluding)
Node.jsNodejs14.0.0 (including)14.14.0 (including)
Node.jsNodejs14.15.0 (including)14.17.5 (excluding)
Node.jsNodejs16.0.0 (including)16.6.2 (excluding)
Red Hat Enterprise Linux 8RedHatnodejs:12-8040020210817133458.522a0ee4*
Red Hat Enterprise Linux 8RedHatnodejs:14-8040020210817165654.522a0ee4*
Red Hat Enterprise Linux 8.1 Extended Update SupportRedHatnodejs:12-8010020210817113128.c27ad7f8*
Red Hat Enterprise Linux 8.2 Extended Update SupportRedHatnodejs:12-8020020210817125332.4cda2c84*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHatrh-nodejs14-nodejs-0:14.17.5-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHatrh-nodejs12-nodejs-0:12.22.5-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHatrh-nodejs12-nodejs-nodemon-0:2.0.3-5.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSRedHatrh-nodejs14-nodejs-0:14.17.5-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSRedHatrh-nodejs12-nodejs-0:12.22.5-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSRedHatrh-nodejs12-nodejs-nodemon-0:2.0.3-5.el7*
NodejsUbuntubionic*
NodejsUbuntuhirsute*
NodejsUbuntuimpish*
NodejsUbuntukinetic*
NodejsUbuntutrusty*
NodejsUbuntuxenial*

Potential Mitigations

References