PT-2021-14345 · Google+2 · Google Chrome+2

Published 2021-03-02 · Updated 2023-01-09 · CVE-2021-21200

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

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

Description: The issue allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. This was due to an out of bounds read in the WebUI Settings in Google Chrome. The severity of this issue is classified as low.

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 WebUI Settings until a patch is applied.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2021-1460

ALT-PU-2021-1511

ALT-PU-2021-1668

ALT-PU-2021-1751

ALT-PU-2021-2141

CVE-2021-21200

DSA-4886-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

References · 16

• 🔥 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://crbug.com/1164816 · Exploit
• 🔥❌ https://github.com/ohnonoyesyes/CVE-2021-21224 · Exploit, Deleted
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-21200 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21200 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4886-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-21200 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-21200 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-21200 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21200 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-21200 · Vendor Advisory
• https://t.me/cibsecurity/55787 · Telegram Post