PT-2021-2248 · Google+3 · Google Chrome+3

Maciej Pulikowski · Published 2021-03-02 · Updated 2024-06-15 · CVE-2021-21172

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:H/A:N

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 89.0.4389.72

Description The issue is related to insufficient policy enforcement in the File System API of Google Chrome, which can be exploited by a remote attacker to bypass filesystem restrictions. This can be achieved via a crafted HTML page, potentially impacting the confidentiality and integrity of protected information.

Recommendations For versions prior to 89.0.4389.72, update to version 89.0.4389.72 or later to resolve the issue. As a temporary workaround, consider restricting access to the File System API until a patch is available.

Exploit

Fix

Weakness Enumeration

CWE-264

Related Identifiers

ALT-PU-2021-1460

ALT-PU-2021-1511

ALT-PU-2021-1668

ALT-PU-2021-1751

ALT-PU-2021-2141

BDU:2021-01219

CVE-2021-21172

DSA-4886-1

MGASA-2021-0142

OPENSUSE-SU-2021:0392-1

OPENSUSE-SU-2021:0401-1

OPENSUSE-SU-2021_0392-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2351

• 🔥 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/1150810 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-21172 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-21172 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-21172 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21172 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10681-1 · Vendor Advisory
• https://security.gentoo.org/glsa/202104-08 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4886-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21172 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory