CVE-2020-3847
macOS vulnerability analysis and mitigation

Overview

CVE-2020-3847 is a security vulnerability discovered in CoreBluetooth component affecting macOS Mojave 10.14.6, macOS High Sierra 10.13.6, and macOS Catalina 10.15.2. The vulnerability was discovered by Jianjun Dai of Qihoo 360 Alpha Lab and was fixed in macOS Catalina 10.15.3 released on January 28, 2020 (Apple Security).

Technical details

The vulnerability is characterized as an out-of-bounds read issue in the CoreBluetooth component. The security flaw was addressed by Apple through improved input validation mechanisms (Apple Security).

Impact

When exploited, this vulnerability allows a remote attacker to potentially leak memory from the affected system (Apple Security).

Mitigation and workarounds

Apple addressed this vulnerability in macOS Catalina 10.15.3, Security Update 2020-001 Mojave, and Security Update 2020-001 High Sierra. Users are advised to update their systems to these versions or later to mitigate the risk (Apple Security).

Additional resources


SourceThis report was generated using AI

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