Security Bulletin
Summary
Node.js (16-Nov-2020) Security releases available
Vulnerability Details
CVEID: CVE-2020-8277
DESCRIPTION: 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.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191755 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
12.x versions of Node.js are vulnerable.
Through the command-line Cloud Foundry client run the following command:
cf ssh <appname> -c “cat app/logs/staging_task.log” | grep “Installing node”
-----> Installing node 12.19.1
Alternatively, through the command-line Cloud Foundry client run the following command:
$ cf ssh <appname> -c “cat app/logs/staging_task.log” | grep “IBM SDK for Node.js”
-----> IBM SDK for Node.js Buildpack v4.5-20201130-1530
If the Buildpack version is not at least v4.5 your application may be vulnerable.
Remediation/Fixes
The fixes for these vulnerabilities are included in Node.js v12.19.1 and subsequent releases.
To upgrade to the latest version of the Node.js runtime, please specify the latest Node.js runtime in your package.json file for your application:
"engines": {
"node": "12.*"
},
You will then need to restage (or re-push) your application using the IBM SDK for Node.js Buildpack v4.5.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
09 Dec 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
09 December 2020
Initial Publish date:
09 December 2020
UID
ibm16380404