QID 375431

Date Published: 2021-04-06

QID 375431: Npm Package Netmask Octal Input Data Vulnerability

NPM is a package manager for the JavaScript programming language. It is the default package manager for the JavaScript runtime environment Node.js.

The Netmask class parses and understands IPv4 CIDR blocks so they can be explored and compared.

CVE-2021-29418: The netmask package before 2.0.1 for Node.js mishandles certain unexpected characters in an IP address string, such as an octal digit of 9
Affected versions:
Netmask Package before version to 2.0.1

QID Detection logic:(Authenticated)
It will execute command npm list | grep 'netmask' command to check the systeminformation version

Successful exploitation of this vulnerability could allows attackers to bypass access control that is based on IP addresses.

CVSS V3 rated as Critical - 9.1 severity.

CVSS V2 rated as High - 6.4 severity.

Solution

Customers are advised to update Netmask package 2.0.1 or later . Please refer the Vendor advisory link Netmask

Vendor References

Netmask - www.npmjs.com/package/netmask

CVEs related to QID 375431

CVE-2021-29418 | CVE-2021-28918 |

Software Advisories

Advisory ID	Software	Component	Link
Netmask			www.npmjs.com/package/netmask

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