CVE-2021-21124

Potential user after free in Speech Recognizer in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox…

published February 9, 2021

CVSS
—
EPSS
8%
Percentile
94.7
In the wild
Unconfirmed
What it is

⚠️ A crafty HTML page could be a ticket for attackers. This potential use-after-free in Google Chrome's Speech Recognizer on Android could allow a sandbox escape! 🔥 Think of it like a jigsaw puzzle where one piece is designed to fit into a completely different picture — a clever way to sneak past security measures. Just like a puzzle that opens a secret door, this vulnerability lets an attacker break out of the sandbox and access parts of the system they shouldn't! If exploited, an attacker could gain unauthorized access, potentially tricking the speech recognizer into executing malicious commands or actions within the device. This could lead to data exposure or unwanted actions, making your device a playground for an unauthorized intruder!

Put simply

Think of it like a jigsaw puzzle where one piece is designed to fit into a completely different picture — a clever way to sneak past security measures. Just like a puzzle that opens a secret door, this vulnerability lets an attacker break out of the sandbox and access parts of the system they shouldn't! This vulnerability involves a use-after-free error in the Speech Recognizer component of Google Chrome for Android, which can be triggered by specially crafted HTML content, leading to potential sandbox escape and unauthorized access.

What to do

If exploited, an attacker could gain unauthorized access, potentially tricking the speech recognizer into executing malicious commands or actions within the device. This could lead to data exposure or unwanted actions, making your device a playground for an unauthorized intruder! Update your Google Chrome on Android immediately to version 88.0.4324.96 or later. It's crucial to keep your applications up to date to mitigate such vulnerabilities effectively. Don't forget to check for any other pending updates while you're at it! You've got this! Stay vigilant, keep those apps updated, and you'll be securing your device like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.07851 · 94.7th percentile
Published
2021-02-09T13:55Z
EPSS history
Timeline
  • 09 FEB 13:55Z
    Potential user after free in Speech Recognizer in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox…
    cvelistv5