CVE-2021-3766CWE-1321

Prototype Pollution in vincit/objection.js

High · published September 6, 2021

CVSS v3.0
7.5
EPSS
1%
Percentile
73.6
In the wild
Unconfirmed
What it is

⚡ An improperly controlled modification of object prototype attributes is lurking in objection.js! This sneaky flaw could lead to some wild consequences if not addressed. 🔥 Think of it like a recipe book where anyone can change the standard recipes without permission — suddenly, your favorite dish could taste completely different and unexpected! That’s exactly what prototype pollution does, allowing attackers to alter fundamental behaviors in your code. An attacker could exploit this vulnerability to modify the behavior of objects throughout your application, potentially leading to unauthorized access or data corruption. This could open the door to all sorts of chaos, like a chef going rogue in a kitchen filled with unsuspecting diners!

Put simply

Think of it like a recipe book where anyone can change the standard recipes without permission — suddenly, your favorite dish could taste completely different and unexpected! That’s exactly what prototype pollution does, allowing attackers to alter fundamental behaviors in your code. This vulnerability arises from objection.js not properly controlling modifications to object prototype attributes, allowing an attacker to inject properties or methods that can affect the program's logic and security.

What to do

An attacker could exploit this vulnerability to modify the behavior of objects throughout your application, potentially leading to unauthorized access or data corruption. This could open the door to all sorts of chaos, like a chef going rogue in a kitchen filled with unsuspecting diners! To secure your application, update objection.js to the latest version where this issue is resolved. Additionally, review your code for any patterns that might be susceptible to prototype pollution and implement proper validation for object attributes. You've got this! With a little diligence and the right updates, you'll have your application secured in no time. 🛡️

The record
Technical detail
CVSS v3.0
7.5 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01470 · 73.6th percentile
Weakness
CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Published
2021-09-06T11:17Z
EPSS history
Timeline
  • 06 SEP 11:17Z
    Prototype Pollution in vincit/objection.js
    cvelistv5