PT-2021-18772 · Google+2 · Google Chrome+2

Published 2021-05-25 · Updated 2024-10-23 · CVE-2021-30558

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

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

Description Insufficient policy enforcement in content security policy allowed a remote attacker to bypass content security policy via a crafted HTML page. The issue has a security severity of Medium.

Recommendations For Google Chrome 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 crafted HTML pages until the update is applied.

Exploit

Fix

Related Identifiers

ALT-PU-2021-1876

ALT-PU-2021-1972

ALT-PU-2021-2007

ALT-PU-2021-2009

ALT-PU-2021-2141

CVE-2021-30558

DSA-5046-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

References · 21

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/chrome_cve_2021_21220_v8_insufficient_validation.rb · Exploit
• 🔥 https://github.com/ZeusBox/CVE-2021-37980 · Exploit
• 🔥 https://github.com/SpiralBL0CK/Chrome-V8-RCE-CVE-2021-38003 · Exploit
• 🔥 https://github.com/xmzyshypnc/CVE-2021-30551 · Exploit
• 🔥 https://github.com/Peterpan0927/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥 https://github.com/security-dbg/CVE-2021-21220 · Exploit
• 🔥 https://github.com/maldiohead/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥 https://crbug.com/916326 · Exploit
• 🔥❌ https://github.com/ohnonoyesyes/CVE-2021-21224 · Exploit, Deleted
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-30558 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30558 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-30558 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-30558 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30558 · Security Note