CVE-2020-0041
Linux Debian vulnerability analysis and mitigation

Overview

CVE-2020-0041 is a vulnerability discovered in the Android kernel's binder.c component, specifically in the binder_transaction function. The vulnerability was disclosed on March 10, 2020, and affects Android kernel systems. It involves an out-of-bounds write vulnerability due to an incorrect bounds check implementation (Android Bulletin, NVD).

Technical details

The vulnerability exists in the binder_transaction function of binder.c, where an incorrect bounds check can lead to an out-of-bounds write condition. The vulnerability has been assigned a CVSS 3 Severity Score of 7.8 (High), indicating significant potential impact. No additional execution privileges are needed for exploitation, and user interaction is not required (Ubuntu Security).

Impact

The vulnerability can lead to local escalation of privilege, allowing an attacker to gain elevated system privileges. This could potentially compromise the security of the affected Android system by allowing unauthorized access to privileged functions (NVD).

Mitigation and workarounds

Multiple Linux distributions have released patches to address this vulnerability. Ubuntu has marked this as high priority and provided fixes in various kernel versions, including version 5.3.0-40.32 for Ubuntu 19.10 (eoan). Users are advised to apply the available security updates (Ubuntu Security).

Additional resources


SourceThis report was generated using AI

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