CVE-2023-2136KEV · OVERDUE

Google Chrome Skia Integer Overflow Vulnerability

Critical · published April 19, 2023

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.6. It is confirmed in active exploitation. It sits in the 93.0th percentile for exploit probability.

1260
days past CISA
deadline
CVSS v3.1
9.6
EPSS
6%
Percentile
93.0
In the wild
Confirmed
What it is

🚨 A sneaky integer overflow in Skia for Google Chrome could let a crafty attacker break out of the sandbox! 🔥 Think of it like a magician’s trick that suddenly reveals the hidden escape route — if they can misdirect the audience just right, they can slip out behind the scenes without anyone noticing. In this case, a compromised renderer opens the trapdoor to your system! This vulnerability allows attackers to potentially execute arbitrary code outside the security confines of the browser — a full-scale breach that could lead to control over your system! With the right crafted HTML page, they could bypass all the protections in place, leading to absolutely devastating consequences for user data.

Put simply

Think of it like a magician’s trick that suddenly reveals the hidden escape route — if they can misdirect the audience just right, they can slip out behind the scenes without anyone noticing. In this case, a compromised renderer opens the trapdoor to your system! The integer overflow in Skia can occur when the renderer process handles crafted inputs, allowing attackers with control over that process to escape the sandbox environment, thus gaining unauthorized access to the underlying system.

What to do

This vulnerability allows attackers to potentially execute arbitrary code outside the security confines of the browser — a full-scale breach that could lead to control over your system! With the right crafted HTML page, they could bypass all the protections in place, leading to absolutely devastating consequences for user data. Update Google Chrome to version 112.0.5615.137 or later immediately. Ensure your users are aware of the update, and consider implementing further security measures such as monitoring for unusual activities in your environment. 🛡️ You've got this! By updating now, you'll be one step closer to securing your system against this critical vulnerability. 🦸‍♂️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.05739 · 93.0th percentile
Published
2023-04-19T03:40Z
KEV added
2023-04-21 · due 2023-05-12
EPSS history
Timeline
  • 21 APR 00:00Z
    Added to CISA KEV — remediate by May 12
    kev
  • 19 APR 03:40Z
    Integer overflow in Skia in Google Chrome prior to 112.0.5615.137 allowed a remote attacker who had compromised the renderer process to potentially perform a…
    cvelistv5