Type Confusion Vulnerability in Google Chrome by Google
CVE-2021-30517

8.8HIGH

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
4 June 2021

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-30517?

A type confusion vulnerability in V8 component of Google Chrome prior to version 90.0.4430.212 allows remote attackers to potentially exploit heap corruption. This is achieved through specially crafted HTML pages, which can manipulate the memory allocation, leading to unexpected behaviors and possible execution of malicious code.

Affected Version(s)

Chrome < 90.0.4430.212

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.

CVE-2021-30517
Created by jamezx32

References

https://chromereleases.googleblog.com/2021/05/stable-chan...
x_refsource_MISC
https://crbug.com/1203122
x_refsource_MISC
https://security.gentoo.org/glsa/202107-06
vendor-advisoryx_refsource_GENTOO

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.