high
7.5
CWE
400 119
Advisory Published
Updated

CVE-2020-8277: Buffer Overflow

First published: Thu Nov 12 2020(Updated: )

Node.js is vulnerable to a denial of service. By getting the application to resolve a DNS record with a larger number of responses, an attacker could exploit this vulnerability to trigger a DNS request for a host of their choice resulting in a denial of service.

Credit: support@hackerone.com

Affected SoftwareAffected VersionHow to fix
IBM Cloud Pak for Security (CP4S)<=1.6.0.1
IBM Cloud Pak for Security (CP4S)<=1.6.0.0
IBM Cloud Pak for Security (CP4S)<=1.5.0.1
IBM Cloud Pak for Security (CP4S)<=1.5.0.0
IBM Cloud Pak for Security (CP4S)<=1.4.0.0
Nodejs Node.js>=12.16.3<12.19.1
Nodejs Node.js>=14.13.0<14.15.1
Nodejs Node.js>=15.0.0<15.2.1
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Oracle Blockchain Platform<21.1.2
Oracle GraalVM=19.3.4
Oracle GraalVM=20.3.0
Oracle Jd Edwards Enterpriseone Tools<9.2.6.0
Oracle MySQL Cluster<=8.0.23
Oracle Retail Xstore Point of Service=16.0.6
Oracle Retail Xstore Point of Service=17.0.4
Oracle Retail Xstore Point of Service=18.0.3
Oracle Retail Xstore Point of Service=19.0.2
C-ares Project C-ares<1.16.0
redhat/c-ares<1.17.0
1.17.0
redhat/rh-nodejs12-nodejs<0:12.19.1-2.el7
0:12.19.1-2.el7
redhat/rh-nodejs14-nodejs<0:14.15.4-2.el7
0:14.15.4-2.el7

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-8277?

    CVE-2020-8277 is a vulnerability in Node.js that allows an attacker to trigger a Denial of Service by getting the application to resolve a DNS record with a larger number of responses.

  • Which versions of Node.js are affected by CVE-2020-8277?

    Versions < 15.2.1, < 14.15.1, and < 12.19.1 of Node.js are affected by CVE-2020-8277.

  • How can I fix CVE-2020-8277?

    To fix CVE-2020-8277, update your Node.js installation to version 15.2.1, 14.15.1, or 12.19.1 or higher.

  • What is the severity of CVE-2020-8277?

    CVE-2020-8277 has a severity of 7.5 (high).

  • Where can I find more information about CVE-2020-8277?

    More information about CVE-2020-8277 can be found on the GitHub page and the Red Hat Bugzilla page.

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