PT-2021-2016 · Google+3 · Google Chrome+3

Abdulrahman Alqabandi · Published 2021-02-16 · Updated 2024-06-15 · CVE-2021-21154

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 88.0.4324.182

Description A heap buffer overflow in the Tab Strip of Google Chrome allows a remote attacker who has compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. This issue can lead to the execution of arbitrary code.

Recommendations For versions prior to 88.0.4324.182, update to version 88.0.4324.182 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

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

ALT-PU-2021-1460

ALT-PU-2021-1511

ALT-PU-2021-1668

ALT-PU-2021-1751

ALT-PU-2021-2141

BDU:2021-00852

CVE-2021-21154

DSA-4858-1

OPENSUSE-SU-2021:0392-1

OPENSUSE-SU-2021:0401-1

OPENSUSE-SU-2021:0413-1

OPENSUSE-SU-2021_0392-1

OPENSUSE-SU-2021_0413-1

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://crbug.com/1173269 · Exploit
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BI6ZIJQYP5DFMYVX4J5OGOU2NQLEZ3SB · Vendor Advisory
• https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_16.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21154 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21154 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-00852 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:10681-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210611SE16 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/661769 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-21154 · Vendor Advisory
• https://security.gentoo.org/glsa/202104-08 · Vendor Advisory