PT-2021-2125 · Google+3 · Google Chrome+3

Eternalsakura13 · Published 2021-01-19 · Updated 2024-06-15 · CVE-2021-21120

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 88.0.4324.96

Description The issue is related to a use after free in WebSQL, which can potentially allow a remote attacker to exploit heap corruption via a crafted HTML page. This could enable the attacker to execute arbitrary code.

Recommendations For versions prior to 88.0.4324.96, update to version 88.0.4324.96 or later to resolve the issue.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-1146

ALT-PU-2021-1179

ALT-PU-2021-1198

ALT-PU-2021-1210

ALT-PU-2021-1379

BDU:2021-00984

CVE-2021-21120

DSA-4846-1

MGASA-2021-0406

OPENSUSE-SU-2021:0166-1

OPENSUSE-SU-2021:0173-1

OPENSUSE-SU-2021:0177-1

OPENSUSE-SU-2021:0186-1

OPENSUSE-SU-2021:0973-1

OPENSUSE-SU-2021:1016-1

OPENSUSE-SU-2021_0166-1

OPENSUSE-SU-2021_0173-1

OPENSUSE-SU-2021_0973-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:10977-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2362

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/chrome_simplifiedlowering_overflow.rb · Exploit
• 🔥 https://github.com/Puliczek/CVE-2021-21123-PoC-Google-Chrome · Exploit
• 🔥 https://github.com/PerimeterX/CVE-2020-6519 · Exploit
• 🔥 https://github.com/aleksejspopovs/cve-2020-16012 · Exploit
• 🔥 https://github.com/R0jhack/CVE-2020-6514 · Exploit
• 🔥 https://github.com/hasan-khalil/CVE-2020-6514 · Exploit
• 🔥 https://github.com/HassanAzze/CVE-2020-6514 · Exploit
• 🔥 https://github.com/rojhack/CVE-2020-6514 · Exploit
• 🔥❌ https://github.com/marcinguy/CVE-2020-15999 · Exploit, Deleted
• https://safe-surf.ru/specialists/bulletins-nkcki/660676 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:1016-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-21120 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21120 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-21120 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:0166-1 · Vendor Advisory