CVE-2018-3753

The utilities function in all versions <= 1.0.0 of the merge-objects node module can be tricked into modifying the prototype of Object when the attacker can…

published July 3, 2018

CVSS
—
EPSS
1%
Percentile
72.6
In the wild
Unconfirmed
What it is

⚠️ Watch out! A crafty little oversight in the merge-objects module could let an attacker pull a fast one on your system. 🔥 Think of it like an untrustworthy contractor temporarily modifying the blueprints of your building. This contractor can now change the structure of any room in your house without you even knowing it! With this vulnerability, an attacker could sneak in and modify properties on the global Object prototype. This means they could alter how all objects behave in your application, potentially leading to unexpected behaviors or data leakage – a situation that could spiral out of control!

Put simply

Think of it like an untrustworthy contractor temporarily modifying the blueprints of your building. This contractor can now change the structure of any room in your house without you even knowing it! This vulnerability exists in the merge-objects node module (versions <= 1.0.0), where the utilities function allows a crafted structure to modify the Object prototype. This lack of input validation opens the door for malicious modifications.

What to do

With this vulnerability, an attacker could sneak in and modify properties on the global Object prototype. This means they could alter how all objects behave in your application, potentially leading to unexpected behaviors or data leakage – a situation that could spiral out of control! To mitigate this, update the merge-objects module to version 1.0.1 or higher. Ensure to review your code for any instance where user input could influence object structure, as it’s essential to validate and sanitize inputs diligently. You’ve got this! By following these steps, you’ll shore up your defenses and keep your codebase safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01428 · 72.6th percentile
Published
2018-07-03T21:00Z
EPSS history
Timeline
  • 03 JUL 21:00Z
    The utilities function in all versions <= 1.0.0 of the merge-objects node module can be tricked into modifying the prototype of Object when the attacker can…
    cvelistv5