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CVE-2021-30632

Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted...

Basic Information

CVE State
PUBLISHED
Reserved Date
April 13, 2021
Published Date
October 08, 2021
Last Updated
January 29, 2025
Vendor
Google
Product
Chrome
Description
Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Tags
cisa

CVSS Scores

CVSS v3.1

8.8 - HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

SSVC Information

Exploitation
active
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2021-11-03 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2021-09-20 09:49:51 UTC) Source

References

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html https://crbug.com/1247763 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/ http://packetstormsecurity.com/files/172845/Chrome-JIT-Compiler-Type-Confusion.html

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

CrackerCat/CVE-2021-30632

Type: github • Created: 2021-09-28 06:27:49 UTC • Stars: 11

Phuong39/PoC-CVE-2021-30632

Type: github • Created: 2021-09-20 09:49:51 UTC • Stars: 74

PoC CVE-2021-30632 - Out of bounds write in V8

Timeline

  • CVE ID Reserved

  • Proof of Concept Exploit Available

  • CVE Published to Public

  • Added to KEVIntel