CVE-2021-25928

Prototype pollution vulnerability in 'safe-obj' versions 1.0.0 through 1.0.2 allows an attacker to cause a denial of service and may lead to remote code…

Critical · published April 26, 2021

CVSS v3.1
9.8
EPSS
3%
Percentile
88.8
In the wild
Unconfirmed
What it is

🚨 A sneaky prototype pollution vulnerability lies in 'safe-obj' versions 1.0.0 through 1.0.2, and it could bring your application to its knees! 🔥 Think of this vulnerability like a rogue chef who can change the recipe of a dish without anyone noticing. With just a few clever tweaks, they could serve a disastrous meal instead of the sumptuous dish you intended! An attacker could leverage this vulnerability to trigger denial of service, effectively crashing your application, and worse yet, potentially open the door to remote code execution! This could lead to a full compromise of your system, making it an absolute nightmare to recover from.

Put simply

Think of this vulnerability like a rogue chef who can change the recipe of a dish without anyone noticing. With just a few clever tweaks, they could serve a disastrous meal instead of the sumptuous dish you intended! This prototype pollution vulnerability allows attackers to manipulate the prototype of an object, leading to unexpected behaviors and potentially crashing the application. The affected versions are 'safe-obj' 1.0.0 through 1.0.2, where the lack of input validation can be exploited for harmful purposes.

What to do

An attacker could leverage this vulnerability to trigger denial of service, effectively crashing your application, and worse yet, potentially open the door to remote code execution! This could lead to a full compromise of your system, making it an absolute nightmare to recover from. To secure your application, immediately upgrade 'safe-obj' to version 1.0.3 or later. It's crucial to review your code for any potential reliance on these vulnerable versions and implement additional checks to validate input. You’ve got this! With these steps, you'll strengthen your defenses and keep your app running smoothly! 🛡️

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
CVSS v4.0
Not supplied
EPSS
0.03391 · 88.8th percentile
Published
2021-04-26T10:54Z
EPSS history
Timeline
  • 26 APR 10:54Z
    Prototype pollution vulnerability in 'safe-obj' versions 1.0.0 through 1.0.2 allows an attacker to cause a denial of service and may lead to remote code…
    cvelistv5