CVE-2020-7704

Prototype Pollution

Critical · published August 17, 2020

CVSS v3.1
9.8
EPSS
3%
Percentile
85.9
In the wild
Unconfirmed
What it is

🔥 Oh boy, a prototype pollution vulnerability in linux-cmdline before 1.0.1 could let attackers redefine object properties as easily as flipping a switch! ⚡ Think of it like a mischievous child who sneaks into the toy room and rearranges the labels on the boxes, making it impossible to tell what’s really inside. Once the labels are changed, chaos reigns! An attacker could manipulate object properties, leading to potential data exposure or denial of service. This could allow unauthorized access to sensitive information or disrupt normal operations, creating a situation that’s absolutely devastating for any system relying on this package.

Put simply

Think of it like a mischievous child who sneaks into the toy room and rearranges the labels on the boxes, making it impossible to tell what’s really inside. Once the labels are changed, chaos reigns! This prototype pollution vulnerability allows malicious actors to inject properties into existing objects via the constructor, which can lead to unexpected behavior in applications using the package.

What to do

An attacker could manipulate object properties, leading to potential data exposure or denial of service. This could allow unauthorized access to sensitive information or disrupt normal operations, creating a situation that’s absolutely devastating for any system relying on this package. Update linux-cmdline to version 1.0.1 or later immediately to mitigate this risk. Additionally, conduct a thorough audit of your code to ensure no other prototype pollution vulnerabilities exist. Keep your packages up-to-date and always be vigilant. You've got this! With a few simple updates, you can keep your systems safe and sound. 🛡️

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
0.02704 · 85.9th percentile
Published
2020-08-17T16:20Z
EPSS history
Timeline
  • 17 AUG 16:20Z
    Prototype Pollution
    cvelistv5