Version Details and Security Vulnerabilities

The package protobufjs is vulnerable to Prototype Pollution, which can allow an attacker to add/modify properties of the Object.prototype. Versions after and including 6.10.0 until 6.10.3 and after and including 6.11.0 until 6.11.3 are vulnerable.

This vulnerability can occur in multiple ways:

1. by providing untrusted user input to util.setProperty or to ReflectionObject.setParsedOption functions
2. by parsing/loading .proto files

protobuf.js (aka protobufjs) 6.10.0 until 6.11.4 and 7.0.0 until 7.2.4 allows Prototype Pollution, a different vulnerability than CVE-2022-25878. A user-controlled protobuf message can be used by an attacker to pollute the prototype of Object.prototype by adding and overwriting its data and functions. Exploitation can involve: (1) using the function parse to parse protobuf messages on the fly, (2) loading .proto files by using load/loadSync functions, or (3) providing untrusted input to the functions ReflectionObject.setParsedOption and util.setProperty. NOTE: this CVE Record is about Object.constructor.prototype.<new-property> = ...; whereas CVE-2022-25878 was about Object.__proto__.<new-property> = ...; instead.