CVE-2020-7726

Prototype Pollution

Critical · published September 1, 2020

CVSS v3.1
9.8
EPSS
2%
Percentile
79.7
In the wild
Unconfirmed
What it is

🔥 A sneaky prototype pollution vulnerability is lurking in all versions of the safe-object2 package! Imagine a chef who can secretly add ingredients to any dish without anyone noticing — that's what this flaw allows an attacker to do with your code, altering the very foundations of your application. An attacker could exploit this vulnerability to manipulate object properties, leading to catastrophic outcomes like executing arbitrary code or compromising system integrity. Basically, they could gain full control over your application, wreaking havoc on your data and security. It's a developer's worst nightmare!

Put simply

Imagine a chef who can secretly add ingredients to any dish without anyone noticing — that's what this flaw allows an attacker to do with your code, altering the very foundations of your application. This prototype pollution vulnerability occurs through the setter function in safe-object2, allowing attackers to insert malicious properties into objects that could then be executed in your application context.

What to do

An attacker could exploit this vulnerability to manipulate object properties, leading to catastrophic outcomes like executing arbitrary code or compromising system integrity. Basically, they could gain full control over your application, wreaking havoc on your data and security. It's a developer's worst nightmare! Immediate action is crucial! Upgrade to the latest version of safe-object2, which addresses this issue, and review your code for any unintended prototype modifications. Also, consider implementing input validation to guard against future exploits. You've got this! Follow these steps, and you'll lock down your application like a pro! 🛡️

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:U/RC:C
CVSS v4.0
Not supplied
EPSS
0.01916 · 79.7th percentile
Published
2020-09-01T09:50Z
EPSS history
Timeline
  • 01 SEP 09:50Z
    Prototype Pollution
    cvelistv5