CVE-2021-21132

Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted…

published February 9, 2021

CVSS
—
EPSS
23%
Percentile
97.8
In the wild
Unconfirmed
What it is

⚠️ A crafty Chrome extension could lead to a sandbox escape in earlier versions! Think of it as letting someone into your home because they delivered the pizza, only to find they had a key to your bedroom too! 🍕🔑 This vulnerability is like a pizza delivery person who finds out they can access your kitchen just by exploiting a delivery loophole, potentially serving up all your secrets instead of just dinner. It's sneaky and unexpected—definitely not what you ordered! An attacker could leverage this flaw to escape the Chrome sandbox, gaining access to your system and sensitive information. You could be looking at data theft or unauthorized access, and nobody wants an uninvited guest rummaging through their digital belongings!

Put simply

This vulnerability is like a pizza delivery person who finds out they can access your kitchen just by exploiting a delivery loophole, potentially serving up all your secrets instead of just dinner. It's sneaky and unexpected—definitely not what you ordered! The issue arises from an inappropriate implementation in DevTools, which allows a malicious Chrome extension to bypass the security of the sandbox environment. This means an attacker could potentially execute arbitrary code outside the confines meant to isolate it.

What to do

An attacker could leverage this flaw to escape the Chrome sandbox, gaining access to your system and sensitive information. You could be looking at data theft or unauthorized access, and nobody wants an uninvited guest rummaging through their digital belongings! Upgrade your Google Chrome to version 88.0.4324.96 or later to close this loophole. Regularly review installed extensions, and only use those from trusted sources to minimize risk! You've got this! Keep your browser updated and stay one step ahead of the bad guys! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.23406 · 97.8th percentile
Published
2021-02-09T13:56Z
EPSS history
Timeline
  • 09 FEB 13:56Z
    Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted…
    cvelistv5