PT-2020-6311 · Google+3 · Google Chrome+3

James Hartig · Published 2020-09-24 · Updated 2024-06-15 · CVE-2021-21184

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/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 an inappropriate implementation in performance APIs, allowing a remote attacker to leak cross-origin data via a crafted HTML page. This could potentially lead to the exposure of confidential information.

Recommendations For Google Chrome 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 performance APIs until the update is applied.

Exploit

Fix

Origin Validation Error

Weakness Enumeration

CWE-346

Related Identifiers

ALT-PU-2021-1460

ALT-PU-2021-1511

ALT-PU-2021-1668

ALT-PU-2021-1751

ALT-PU-2021-2141

BDU:2021-04129

CVE-2021-21184

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 · 2354

• 🔥 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/1131929 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2021-21184 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210730SE16 · 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/openSUSE-SU-2024:12948-1 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21184 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-21184 · Vendor Advisory