Security Bulletin: CVE-2020-8203

Summary

Node.js lodash module is vulnerable to a denial of service, caused by a prototype pollution attack. A remote attacker could exploit this vulnerability using the merge, mergeWith, and defaultsDeep functions to inject properties onto Object.prototype to crash the server and possibly execute arbitrary code on the system.

Vulnerability Details

**Third Party Entry:**183560
**DESCRIPTION:**Node.js lodash module is vulnerable to a denial of service, caused by a prototype pollution attack. A remote attacker could exploit this vulnerability using the merge, mergeWith, and defaultsDeep functions to inject properties onto Object.prototype to crash the server and possibly execute arbitrary code on the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183560 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

Remediation/Fixes

upgrade to 2.4.0 or later

Workarounds and Mitigations

None