Resource management error in Node.js - CVE-2020-8277

 

Resource management error in Node.js - CVE-2020-8277

Published: November 19, 2020 / Updated: November 21, 2020


Vulnerability identifier: #VU48569
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-8277
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Node.js Foundation
Affected software:
Node.js

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application when processing a large number of DNS responses. A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a denial of service condition.


How to mitigate CVE-2020-8277

Install updates from vendor's website.

Sources