CVE-2020-7720

Prototype Pollution

Critical · published September 1, 2020

CVSS v3.1
9.8
EPSS
3%
Percentile
88.0
In the wild
Unconfirmed
What it is

🚨 A sneaky flaw in node-forge can let attackers mess with your objects! Before version 0.10.0, the util.setPath function opens the door to Prototype Pollution — that's like a chef who can change the ingredients of every dish without permission! 🔥 Think of it as a restaurant where a rogue diner can sneak into the kitchen and swap ingredients in all the chef's recipes, altering every meal served without anyone noticing. In this case, the bad actor can tamper with the fundamental properties of your application's objects, leading to unexpected behaviors and errors. This vulnerability is absolutely devastating! An attacker could potentially manipulate your application's properties, causing it to behave unpredictably or even crashing it entirely. If exploited, it could lead to data corruption, unauthorized access, or even complete application compromise.

Put simply

Think of it as a restaurant where a rogue diner can sneak into the kitchen and swap ingredients in all the chef's recipes, altering every meal served without anyone noticing. In this case, the bad actor can tamper with the fundamental properties of your application's objects, leading to unexpected behaviors and errors. The Prototype Pollution vulnerability in node-forge allows attackers to modify an object's prototype via the util.setPath function. This means they could inject malicious properties into your application, leading to unforeseen and hazardous consequences.

What to do

This vulnerability is absolutely devastating! An attacker could potentially manipulate your application's properties, causing it to behave unpredictably or even crashing it entirely. If exploited, it could lead to data corruption, unauthorized access, or even complete application compromise. Upgrade to node-forge version 0.10.0 or later immediately, as this version breaks the vulnerable functionality completely. It's also a good idea to audit your code for any other dependencies that might be vulnerable. Don't leave room for chance! You've got this! By taking action now, you can ensure your application stays secure and protected. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.03188 · 88.0th percentile
Published
2020-09-01T09:35Z
EPSS history
Timeline
  • 01 SEP 09:35Z
    Prototype Pollution
    cvelistv5