Security Bulletin: A security vulnerability in Node.js braces and netmask module affects IBM Cloud Pak for Multicloud Management Managed Service

Summary

A security vulnerability in Node.js braces and netmask module affects IBM Cloud Pak for Multicloud Management Managed Service.

Vulnerability Details

CVEID:CVE-2018-1109
**DESCRIPTION:**Node.js braces module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw. By using a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause an impact of about 10 seconds matching time for data 50K characters long, and results in a denial of service condition.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199128 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2021-29418
**DESCRIPTION:**Node.js netmask module could allow a remote attacker to bypass security restrictions, caused by improper handling of certain unexpected characters in an IP address string. By using a specially-crafted argument using octal literals, an attacker could exploit this vulnerability to bypass access control that is based on IP addresses.
CVSS Base score: 9.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199130 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

Affected Products and Versions

Remediation/Fixes

Upgrade to IBM Cloud Pak for Multicloud Management 2.3 by following the instructions in <https://www.ibm.com/docs/en/cloud-paks/cp-management/2.3.x?topic=installation-upgrade.&gt;

Workarounds and Mitigations

None