CVE-2020-6457

Use after free in speech recognizer in Google Chrome prior to 81.0.4044.113 allowed a remote attacker to potentially perform a sandbox escape via a crafted…

published May 21, 2020

CVSS
—
EPSS
1%
Percentile
69.5
In the wild
Unconfirmed
What it is

⚠️ A crafty use-after-free bug lurks in the speech recognizer of Google Chrome! Just like a magician pulling a rabbit out of a hat, this vulnerability could let an attacker escape the sandbox with a cleverly crafted HTML page. 🔥 Think of the sandbox as a child’s play area with soft toys; an attacker might find a way to push a toy out of bounds, causing a ruckus in the entire playground! If this vulnerability is exploited, it could allow them to bypass security and access sensitive data. An attacker could potentially escape the sandbox environment and gain unauthorized access to system resources, leading to risky operations that could affect the user's privacy and data integrity. While there's no active exploitation reported, the implications could be concerning if the right conditions are met.

Put simply

Think of the sandbox as a child’s play area with soft toys; an attacker might find a way to push a toy out of bounds, causing a ruckus in the entire playground! If this vulnerability is exploited, it could allow them to bypass security and access sensitive data. This vulnerability is caused by a use-after-free error in the speech recognizer component of Chrome. When this memory is accessed after it has been freed, it can lead to unpredictable behavior and allow an attacker to escape the confines of the sandbox.

What to do

An attacker could potentially escape the sandbox environment and gain unauthorized access to system resources, leading to risky operations that could affect the user's privacy and data integrity. While there's no active exploitation reported, the implications could be concerning if the right conditions are met. To mitigate this vulnerability, update Google Chrome to version 81.0.4044.113 or later immediately. Regularly check for updates to ensure you are protected against similar vulnerabilities in the future. Implementing additional security measures, such as content security policies, can also help. You've got this! Stay vigilant and keep your Chrome updated for a safe browsing experience! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01267 · 69.5th percentile
Published
2020-05-21T03:46Z
EPSS history
Timeline
  • 21 MAY 03:46Z
    Use after free in speech recognizer in Google Chrome prior to 81.0.4044.113 allowed a remote attacker to potentially perform a sandbox escape via a crafted…
    cvelistv5