PT-2021-3525 · Google+3 · Google Chrome+3

Published 2021-05-24 · Updated 2024-06-15 · CVE-2021-30556

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 91.0.4472.114

Description The issue is related to a use after free in the WebAudio component, which can be exploited by a remote attacker to potentially cause heap corruption via a crafted HTML page. This could lead to a denial of service.

Recommendations For versions prior to 91.0.4472.114, update to version 91.0.4472.114 or later to resolve the issue. As a temporary workaround, consider restricting access to WebAudio functionality until the update is applied.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-2063

ALT-PU-2021-2068

ALT-PU-2021-2097

ALT-PU-2021-2118

ALT-PU-2021-2141

BDU:2021-03575

CVE-2021-30556

OPENSUSE-SU-2021:0898-1

OPENSUSE-SU-2021:0938-1

OPENSUSE-SU-2021:0948-1

OPENSUSE-SU-2021:0949-1

OPENSUSE-SU-2021_0898-1

OPENSUSE-SU-2021_0948-1

OPENSUSE-SU-2021_0949-1

OPENSUSE-SU-2022:0110-1

OPENSUSE-SU-2022_0110-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:10977-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2365

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/chrome_cve_2021_21220_v8_insufficient_validation.rb · Exploit
• 🔥 https://github.com/ZeusBox/CVE-2021-37980 · Exploit
• 🔥 https://github.com/Phuong39/PoC-CVE-2021-30632 · Exploit
• 🔥 https://github.com/SpiralBL0CK/Chrome-V8-RCE-CVE-2021-38003 · Exploit
• 🔥 https://github.com/CrackerCat/CVE-2021-30632 · Exploit
• 🔥 https://github.com/Peterpan0927/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥 https://github.com/xmzyshypnc/CVE-2021-30551 · Exploit
• 🔥 https://github.com/security-dbg/CVE-2021-21220 · Exploit
• 🔥 https://github.com/maldiohead/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥❌ https://github.com/ohnonoyesyes/CVE-2021-21224 · Exploit, Deleted
• 🔥❌ https://github.com/Expdev893/CVE-2021-30632 · Exploit, Deleted
• 🔥❌ https://github.com/Lagal1990/CVE-2021-30632 · Exploit, Deleted
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30556 · Vendor Advisory
• https://crbug.com/1212599 · Vendor Advisory
• https://security.gentoo.org/glsa/202107-06 · Vendor Advisory