Prototype Pollution in yargs-parser - CVE-2020-7608

 

Prototype Pollution in yargs-parser - CVE-2020-7608

Published: March 23, 2020


Vulnerability identifier: #VU26304
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-7608
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request and add or modify properties of Object.prototype using a "__proto__" payload.


Affected software

yargs-parser
Cloud Pak for Security (CP4S)
IBM Watson Machine Learning Accelerator
Business Automation Insights
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
IBM Cloud Pak for Business Automation
rh-nodejs10-nodejs (Red Hat package)

How to mitigate CVE-2020-7608

Install updates from vendor's website.

yargs-parser - addressed in versions 13.1.2, 15.0.1, 18.1.1
Cloud Pak for Security (CP4S) - update to 1.10.7.0
Business Automation Insights - addressed in versions 24.0.0.0.5, 24.0.1.0.5, 25.0.0.0.2
IBM Cloud Pak for Business Automation - addressed in versions 24.0.1-IF006, 25.0.0-IF003
rh-nodejs10-nodejs (Red Hat package) - update to 10.23.1-2.el7

External References

Related Security Bulletins