PT-2021-2698 · Google+3 · Google Chrome+3

Asnine · Published 2021-03-24 · Updated 2024-06-15 · CVE-2021-21203

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 90.0.4430.72

Description The issue is related to a use after free in Blink, which can lead to heap corruption. A remote attacker can potentially exploit this via a crafted HTML page. This may impact the confidentiality, integrity, and availability of protected information.

Recommendations For versions prior to 90.0.4430.72, update to version 90.0.4430.72 or later to resolve the issue.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-1667

ALT-PU-2021-1972

ALT-PU-2021-2007

ALT-PU-2021-2009

ALT-PU-2021-2141

BDU:2021-02229

CVE-2021-21203

DSA-4906-1

OPENSUSE-SU-2021:0629-1

OPENSUSE-SU-2021_0629-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2344

• 🔥 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://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.html · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-21203 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4906-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21203 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-21203 · Security Note
• https://crbug.com/1192054 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-21203 · 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