PT-2021-3567 · Google+3 · Google Chrome+3

Brendon Tiszka · Published 2021-04-16 · Updated 2024-06-15 · CVE-2021-21226

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 90.0.4430.85

Description The issue is related to a use after free in navigation, which could allow a remote attacker who has compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. This could lead to unauthorized access to confidential information or cause a denial of service.

Recommendations For Google Chrome versions prior to 90.0.4430.85, update to version 90.0.4430.85 or later to resolve the issue.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-1876

ALT-PU-2021-1972

ALT-PU-2021-2007

ALT-PU-2021-2009

ALT-PU-2021-2141

BDU:2021-03666

CVE-2021-21226

DSA-4906-1

OPENSUSE-SU-2021:0629-1

OPENSUSE-SU-2021:0712-1

OPENSUSE-SU-2021_0629-1

OPENSUSE-SU-2021_0712-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2346

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/chrome_cve_2021_21220_v8_insufficient_validation.rb · Exploit
• 🔥 https://github.com/xmzyshypnc/CVE-2021-30551 · Exploit
• 🔥 https://github.com/security-dbg/CVE-2021-21220 · Exploit
• 🔥❌ https://github.com/ohnonoyesyes/CVE-2021-21224 · Exploit, Deleted
• https://bdu.fstec.ru/vul/2021-03666 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4906-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-21226 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21226 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY · Vendor Advisory
• https://security.gentoo.org/glsa/202104-08 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21226 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21226 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A · Vendor Advisory