PT-2021-4554 · Google+3 · V8 Javascript Engine+4

Chris Salls + 1 · Published 2021-03-31 · Updated 2024-06-15 · CVE-2021-30536

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/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 read in the V8 JavaScript engine of Google Chrome, which can be exploited by a remote attacker using a crafted HTML page. This could potentially lead to stack corruption and allow the attacker to access confidential data or cause a denial of service.

Recommendations For versions prior to 91.0.4472.77, update to version 91.0.4472.77 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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2021-1876

ALT-PU-2021-1972

ALT-PU-2021-2007

ALT-PU-2021-2009

ALT-PU-2021-2141

BDU:2021-05222

CVE-2021-30536

OPENSUSE-SU-2021:0825-1

OPENSUSE-SU-2021:0840-1

OPENSUSE-SU-2021_0825-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:10977-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

V8 Javascript Engine

References · 2347

• 🔥 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/1194358 · Exploit
• https://osv.dev/vulnerability/CVE-2021-30536 · Vendor Advisory
• 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://osv.dev/vulnerability/UBUNTU-CVE-2021-30536 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-30536 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30536 · Security Note
• 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