CVE-2023-36665: protobufjs_project protobufjs Prototype Pollution

Vulnerability summary

CVE-2023-36665 is a critical (CVSS 9.8) Prototype Pollution vulnerability in protobufjs_project protobufjs. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 76.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 05-07-2023
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

"protobuf.js (aka protobufjs) 6.10.0 through 7.x before 7.2.5 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.

• CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.