PT-2021-2796 · Google+3 · Google Chrome+3

Guang Gong · Published 2021-04-02 · Updated 2024-06-15 · CVE-2021-21223

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 an integer overflow in Mojo, which could allow a remote attacker who has compromised the renderer process to potentially perform a sandbox escape. This can be achieved via a crafted HTML page. The exploitation of this issue may enable an attacker to execute arbitrary code.

Recommendations For Google Chrome versions prior to 90.0.4430.85, update to version 90.0.4430.85 or later to resolve the issue. As a temporary workaround, consider restricting access to potentially vulnerable HTML pages until the update is applied.

Exploit

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2021-1876

ALT-PU-2021-1972

ALT-PU-2021-2007

ALT-PU-2021-2009

ALT-PU-2021-2141

BDU:2021-02339

CVE-2021-21223

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 · 2349

• 🔥 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://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21223 · Vendor Advisory
• 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/CVE-2021-21223 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21223 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-21223 · 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-21223 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-21223 · Vendor Advisory