CVE-2021-21142

Use after free in Payments in Google Chrome on Mac prior to 88.0.4324.146 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML…

published February 9, 2021

CVSS
—
EPSS
1%
Percentile
65.6
In the wild
Unconfirmed
What it is

⚠️ A crafty HTML page can lead to a sandbox escape in Google Chrome on Mac before version 88.0.4324.146! This vulnerability is like a magician's trick where the rabbit hops out of the hat and into the audience. 🐇✨ Think of this vulnerability like a fenced-off area at a concert where only VIPs are allowed. If someone finds a way to sneak past that fence, they can access backstage and all the secret goodies – that’s what an attacker can do here! If an attacker successfully exploits this flaw, they could break free from the sandbox and access sensitive parts of your system, potentially leading to data leaks or further malicious activities. It's a sneaky opportunity for them to tap into something they shouldn't!

Put simply

Think of this vulnerability like a fenced-off area at a concert where only VIPs are allowed. If someone finds a way to sneak past that fence, they can access backstage and all the secret goodies – that’s what an attacker can do here! This use-after-free vulnerability occurs in the Payments API within Google Chrome, allowing a remote attacker to manipulate memory allocation through a carefully crafted HTML page, leading to a sandbox escape.

What to do

If an attacker successfully exploits this flaw, they could break free from the sandbox and access sensitive parts of your system, potentially leading to data leaks or further malicious activities. It's a sneaky opportunity for them to tap into something they shouldn't! To protect yourself, update Google Chrome to version 88.0.4324.146 or later as soon as possible. Regularly check for updates to ensure you're not running vulnerable versions and consider implementing additional security measures like browser isolation. 🛡️ You've got this! Stay alert and keep those browsers updated, and you'll be a security hero! 🦸‍♂️✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01107 · 65.6th percentile
Published
2021-02-09T14:55Z
EPSS history
Timeline
  • 09 FEB 14:55Z
    Use after free in Payments in Google Chrome on Mac prior to 88.0.4324.146 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML…
    cvelistv5