Type Confusion Vulnerability in Chrome Prior to 112.0.5615.121
CVE-2023-2033

8.8HIGH

Key Information:

Vendor
Google
Status
Chrome
Vendor
CVE Published:
14 April 2023

Badges

👾 Exploit Exists🟡 Public PoC🦅 CISA Reported📰 News Worthy

Summary

A zero-day vulnerability, CVE-2023-2033, has been discovered in Google Chrome, which allows remote attackers to potentially exploit heap corruption through a type confusion issue in the V8 JavaScript engine. The vulnerability is being actively exploited, and Google has released an emergency out-of-band update for Chrome users to mitigate the risk. Technical details of the active exploits have not been disclosed, but users are urged to upgrade to version 112.0.5615.121 for Windows, macOS, and Linux to protect against potential threats. The existence of multiple similar vulnerabilities in the past highlights the urgency of addressing this issue to prevent arbitrary code execution and browser crashes.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Chrome 112.0.5615.121

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

News Articles

Zero-day in Google Chrome patched: Bug exploited in the wild

Google released an emergency security update Friday to patch a zero-day vulnerability in the Chrome browser.

6 months ago

Google Releases Urgent Chrome Update to Fix Actively Exploited Zero-Day Vulnerability

Google addresses actively exploited Chrome zero-day flaw (CVE-2023-2033) in an out-of-band update

6 months ago

Google Chrome emergency update fixes first zero-day of 2023

Google has released an emergency Chrome security update to address the first zero-day vulnerability exploited in attacks since the start of the year.

6 months ago

References

EPSS Score

2% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 📰

    First article discovered by SC Magazine

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre DatabaseCISA Database5 Proof of Concept(s)5 News Article(s)
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