PT-2021-5291 · Google+4 · Google Chrome+4

Published 2021-10-31 · Updated 2024-06-15 · CVE-2021-4068

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 96.0.4664.93 Microsoft Edge (affected versions not specified)

Description The issue is related to insufficient data validation in the new tab page component of the browsers, which can be exploited by a remote attacker to affect data availability or cause a denial of service. This can allow the attacker to leak cross-origin data via a crafted HTML page.

Recommendations For Google Chrome versions prior to 96.0.4664.93, update to version 96.0.4664.93 or later to resolve the issue. For Microsoft Edge, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Encoding or Escaping of Output

RCE

Weakness Enumeration

CWE-116

CWE-20

Related Identifiers

ALT-PU-2021-3535

ALT-PU-2021-3616

ALT-PU-2022-1136

ALT-PU-2022-1165

ALT-PU-2022-1290

BDU:2021-06117

CVE-2021-4068

DSA-5046-1

MGASA-2021-0555

OPENSUSE-SU-2021:1582-1

OPENSUSE-SU-2021:1632-1

OPENSUSE-SU-2021_1632-1

OPENSUSE-SU-2022:0047-1

OPENSUSE-SU-2022:0110-1

OPENSUSE-SU-2022_0047-1

OPENSUSE-SU-2022_0110-1

OPENSUSE-SU-2024:11687-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Edge

Suse

References · 2361

• 🔥 https://github.com/Phuong39/PoC-CVE-2021-30632 · Exploit
• 🔥 https://github.com/ZeusBox/CVE-2021-37980 · Exploit
• 🔥 https://github.com/SpiralBL0CK/Chrome-V8-RCE-CVE-2021-38003 · Exploit
• 🔥 https://github.com/CrackerCat/CVE-2021-30632 · Exploit
• 🔥 https://github.com/Peterpan0927/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥 https://github.com/xmzyshypnc/CVE-2021-30551 · Exploit
• 🔥 https://github.com/maldiohead/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥❌ https://github.com/Lagal1990/CVE-2021-30632 · Exploit, Deleted
• 🔥❌ https://github.com/Expdev893/CVE-2021-30632 · Exploit, Deleted
• https://osv.dev/vulnerability/openSUSE-SU-2022:0047-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-4068 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-4068 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.html · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0926SE47 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744 · Vendor Advisory