PT-2021-4544 · Google+3 · Google Chrome+3

David Erceg · Published 2021-04-13 · Updated 2024-06-15 · CVE-2021-30526

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 91.0.4472.77

Description The issue is related to an out of bounds write in the TabStrip element, which can be exploited by an attacker who convinces a user to install a malicious extension. This can lead to an out of bounds memory write via a crafted HTML page, potentially allowing the attacker to access confidential data, compromise its integrity, and cause a denial of service.

Recommendations For Google Chrome versions prior to 91.0.4472.77, update to version 91.0.4472.77 or later to resolve the issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2021-1876

ALT-PU-2021-1972

ALT-PU-2021-2007

ALT-PU-2021-2009

ALT-PU-2021-2141

BDU:2021-05211

CVE-2021-30526

OPENSUSE-SU-2021:0825-1

OPENSUSE-SU-2021:0840-1

OPENSUSE-SU-2021_0825-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2345

• 🔥 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://crbug.com/1198717 · Exploit
• 🔥❌ https://github.com/ohnonoyesyes/CVE-2021-21224 · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2021-30526 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-30526 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30526 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:0840-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-30526 · Security Note