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CVE-2020-6550
Google Chrome vulnerability analysis and mitigation

Overview

Use after free vulnerability (CVE-2020-6550) was discovered in IndexedDB component of Google Chrome versions prior to 84.0.4147.125. The vulnerability was reported by Sergei Glazunov of Google Project Zero on July 17, 2020, and was patched in August 2020 (Chrome Release).

Technical details

The vulnerability is classified as a high-severity issue with a CVSS v3.1 base score of 8.8 (HIGH). The vulnerability allows a remote attacker to potentially exploit heap corruption through a crafted HTML page targeting the IndexedDB component. The technical nature of the flaw is categorized under CWE-416 (Use After Free) and CWE-787 (Out-of-bounds Write) (NVD).

Impact

If successfully exploited, this vulnerability could allow a remote attacker to execute arbitrary code via heap corruption, potentially leading to system compromise. The attack requires user interaction as the victim must visit a maliciously crafted webpage (NVD).

Exploitability

The vulnerability requires user interaction to visit a specially crafted HTML page. The attack vector is network-based (AV:N) with low attack complexity (AC:L) and no privileges required (PR:N), but does require user interaction (UI:R) (NVD).

Mitigation and workarounds

The vulnerability was fixed in Google Chrome version 84.0.4147.125. Users and administrators are advised to upgrade to this version or later. Multiple Linux distributions have also released security updates to address this vulnerability, including Debian, Fedora, and Gentoo (Debian Advisory, Fedora Update, Gentoo Advisory).

Additional resources


SourceThis report was generated using AI

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