PT-2021-1535 · Google+3 · Google Chrome+3

Ashuu_Lee + 1 · Published 2021-01-06 · Updated 2024-06-15 · CVE-2021-21112

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 87.0.4280.141

Description The issue is related to a use after free vulnerability in the Blink module of Google Chrome, which can be exploited by a remote attacker to potentially corrupt the heap via a crafted HTML page. This could impact the confidentiality, integrity, and availability of protected information.

Recommendations For versions prior to 87.0.4280.141, update to version 87.0.4280.141 or later to resolve the issue. As a temporary workaround, consider restricting access to potentially malicious HTML pages until the update is applied.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-1010

ALT-PU-2021-1049

ALT-PU-2021-1157

ALT-PU-2021-1210

ALT-PU-2021-1379

BDU:2021-00112

CVE-2021-21112

DSA-4832-1

OPENSUSE-SU-2021:0040-1

OPENSUSE-SU-2021:0041-1

OPENSUSE-SU-2021:0047-1

OPENSUSE-SU-2021:0048-1

OPENSUSE-SU-2021:0138-1

OPENSUSE-SU-2021:0139-1

OPENSUSE-SU-2021_0040-1

OPENSUSE-SU-2021_0041-1

OPENSUSE-SU-2021_0138-1

OPENSUSE-SU-2021_0139-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2358

• 🔥 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://osv.dev/vulnerability/DSA-4832-1 · Vendor Advisory
• https://debian.org/security/2021/dsa-4832 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-21112 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:0040-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/660626 · Security Note