CVE-2020-7766 Information

Description

This affects all versions of package json-ptr. The issue occurs in the set operation (https://flitbit.github.io/json-ptr/classes/_src_pointer_.jsonpointer.htmlset) when the force flag is set to true. The function recursively set the property in the target object however it does not properly check the key being set leading to a prototype pollution.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Reference

https://github.com/flitbit/json-ptr/blob/master/src/util.ts23L174 https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038396 https://snyk.io/vuln/SNYK-JS-JSONPTR-1016939

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

LOW

Base Severity

7.3