high
7.5
CWE
350 20
Advisory Published
Updated

CVE-2021-22884: Input Validation

First published: Thu Feb 18 2021(Updated: )

Node.js is vulnerable to a denial of service, caused by an error when the whitelist includes "localhost6". By controlling the victim's DNS server or spoofing its responses, an attacker could exploit this vulnerability to bypass the DNS rebinding protection mechanism using the "localhost6" domain and cause a denial of service.

Credit: support@hackerone.com support@hackerone.com

Affected SoftwareAffected VersionHow to fix
ubuntu/nodejs<8.10.0~dfsg-2ubuntu0.4+
8.10.0~dfsg-2ubuntu0.4+
ubuntu/nodejs<10.19.0~dfsg-3ubuntu1.2
10.19.0~dfsg-3ubuntu1.2
ubuntu/nodejs<12.21.0~dfsg-1
12.21.0~dfsg-1
debian/nodejs
10.24.0~dfsg-1~deb10u1
10.24.0~dfsg-1~deb10u3
12.22.12~dfsg-1~deb11u4
18.13.0+dfsg1-1
redhat/rh-nodejs10-nodejs<0:10.24.0-1.el7
0:10.24.0-1.el7
redhat/rh-nodejs14-nodejs<0:14.16.0-1.el7
0:14.16.0-1.el7
redhat/rh-nodejs12-nodejs<0:12.21.0-1.el7
0:12.21.0-1.el7
redhat/node<15.10.0
15.10.0
redhat/node<14.16.0
14.16.0
redhat/node<12.21.0
12.21.0
redhat/node<10.24.0
10.24.0
Nodejs Node.js>=10.0.0<10.24.0
Nodejs Node.js>=12.0.0<12.21.0
Nodejs Node.js>=14.0.0<14.16.0
Nodejs Node.js>=15.0.0<15.10.0
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Netapp Active Iq Unified Manager Vmware Vsphere
Netapp Active Iq Unified Manager Windows
Netapp E-series Performance Analyzer
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
Netapp Snapcenter
Oracle GraalVM=19.3.5
Oracle GraalVM=20.3.1.2
Oracle GraalVM=21.0.0.2
Oracle Jd Edwards Enterpriseone Tools<9.2.6.0
Oracle MySQL Cluster<=8.0.25
Oracle Nosql Database<20.3
Oracle PeopleSoft Enterprise PeopleTools=8.58
Oracle PeopleSoft Enterprise PeopleTools=8.59
Siemens Sinec Infrastructure Network Services<1.0.1.1

Remedy

https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf

Remedy

https://nodejs.org/en/blog/vulnerability/february-2021-security-releases/

Remedy

https://nodejs.org/en/blog/vulnerability/march-2018-security-releases/#node-js-inspector-dns-rebinding-vulnerability-cve-2018-7160

Remedy

https://www.oracle.com//security-alerts/cpujul2021.html

Remedy

https://www.oracle.com/security-alerts/cpuApr2021.html

Remedy

https://www.oracle.com/security-alerts/cpuoct2021.html

Remedy

Ensure that 'localhost6' is part of /etc/hosts. e.g.: ``` $ grep localhost6 /etc/hosts ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 ```

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2021-22884.

  • What is the severity of CVE-2021-22884?

    The severity of CVE-2021-22884 is high with a severity value of 7.

  • What is the affected software version?

    The affected software versions are Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0.

  • How does CVE-2021-22884 affect Node.js?

    CVE-2021-22884 affects Node.js by making it vulnerable to DNS rebinding attacks.

  • How can I fix CVE-2021-22884?

    To fix CVE-2021-22884, update Node.js to version 10.24.0, 12.21.0, 14.16.0, or 15.10.0 depending on the version you are using.

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