CVE-2020-0053 : Security Advisory and Response

In convertHidlNanDataPathInitiatorRequestToLegacy, and convertHidlNanDataPathIndicationResponseToLegacy of hidl_struct_util.cpp in Android 10, an out of bounds write vulnerability exists. This flaw may allow an attacker to escalate privileges locally without user interaction.

Understanding CVE-2020-0053

A vulnerability in Android 10 that could lead to local privilege escalation without user interaction.

What is CVE-2020-0053?

The vulnerability resides in certain functions of hidl_struct_util.cpp in Android 10, potentially enabling an attacker to perform an out of bounds write leading to local privilege elevation.

The Impact of CVE-2020-0053

This vulnerability could result in a local escalation of privileges, requiring System execution privileges, without the need for user interaction.

Technical Details of CVE-2020-0053

A detailed look at the technical aspects of the vulnerability.

Vulnerability Description

The issue stems from a missing bounds check in specific functions of hidl_struct_util.cpp, allowing for potential out of bounds write operations.

Affected Systems and Versions

Product: Android
Versions: Android-10

Exploitation Mechanism

The vulnerability could be exploited to achieve local privilege escalation without the involvement of user interactions.

Mitigation and Prevention

Strategies to mitigate and prevent the CVE-2020-0053 vulnerability.

Immediate Steps to Take

Apply relevant patches and security updates promptly to address the vulnerability.
Implement stringent access controls and regularly monitor system activity for suspicious behavior.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address potential weaknesses.
Educate users and administrators on secure practices and raise awareness of social engineering threats.

Patching and Updates

Stay informed about security bulletins and updates from the official vendor sources.
Prioritize the installation of security patches to ensure the protection of systems against known vulnerabilities.