PT-2021-3333 · Google+2 · Google Chrome+2

Published 2021-05-25 · Updated 2021-11-23 · CVE-2021-30543

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 91.0.4472.77

Description The issue is related to a use after free in the Tab Strip component, which could potentially allow an attacker to exploit heap corruption. This could happen if a user is convinced to install a malicious extension and then visits a crafted HTML page. The exploitation of this issue may impact the confidentiality, integrity, and availability of protected information.

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

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:2021-03136

CVE-2021-30543

Affected Products

Alt Linux

Astra Linux

Google Chrome

References · 18

• 🔥 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/1203607 · Exploit
• https://osv.dev/vulnerability/CVE-2021-30543 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-03136 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-30543 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WKQDE3PWDKASAPSUJYMOQGL73L3YQRFS · Vendor Advisory
• https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-30543 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-30543 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30543 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2 · Vendor Advisory