PT-2021-2431 · Google+3 · Google Chrome+3

Raven · Published 2021-01-15 · Updated 2024-06-15 · CVE-2021-21191

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 89.0.4389.90

Description: The issue is related to a use after free in WebRTC, which could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This could lead to a denial of service.

Recommendations: For versions prior to 89.0.4389.90, update to version 89.0.4389.90 or later to resolve the issue. As a temporary workaround, consider restricting access to WebRTC functionality until a patch is applied.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-1486

ALT-PU-2021-1559

ALT-PU-2021-1668

ALT-PU-2021-1751

ALT-PU-2021-2141

BDU:2021-01687

CVE-2021-21191

DSA-4886-1

MGASA-2021-0142

OPENSUSE-SU-2021:0436-1

OPENSUSE-SU-2021:0446-1

OPENSUSE-SU-2021:0592-1

OPENSUSE-SU-2021_0436-1

OPENSUSE-SU-2021_0592-1

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/1167357 · Exploit
• https://advisories.mageia.org/MGASA-2021-0142.html · Security Note
• https://ubuntu.com/security/CVE-2021-21191 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21191 · Security Note
• https://debian.org/security/2021/dsa-4886 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-21191 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21191 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-21191 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-21191 · Vendor Advisory
• https://security.gentoo.org/glsa/202104-08 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2021-0142 · Vendor Advisory