CVE-2020-16039
Google Chrome vulnerability analysis and mitigation

Overview

CVE-2020-16039 is a use-after-free vulnerability discovered in Google Chrome's extensions functionality. The vulnerability affects versions prior to 87.0.4280.88 and was disclosed on January 8, 2021. This security flaw allows remote attackers to potentially exploit heap corruption through a specially crafted HTML page (NVD, Chrome Blog).

Technical details

The vulnerability is classified as a use-after-free (CWE-416) and out-of-bounds write (CWE-787) issue in Chrome's extension system. It received a CVSS v3.1 base score of 8.8 (High), with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating network attack vector, low attack complexity, no privileges required, and user interaction required for exploitation (NVD).

Impact

The vulnerability could lead to high impacts on confidentiality, integrity, and availability of the affected system. If successfully exploited, an attacker could potentially execute arbitrary code through heap corruption, leading to system compromise (NVD).

Exploitability

The vulnerability requires user interaction and can be exploited remotely through a crafted HTML page. The attack complexity is considered low, making it relatively straightforward for attackers to exploit once they have created the necessary malicious payload (NVD).

Mitigation and workarounds

The vulnerability was patched in Google Chrome version 87.0.4280.88. Users and administrators should ensure their Chrome installations are updated to this version or later to mitigate the risk (Chrome Blog).

Additional resources


SourceThis report was generated using AI

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