CVE-2023-21084 : Exploit Details and Defense Strategies

This CVE record pertains to a vulnerability in the Android operating system that could potentially lead to a local escalation of privilege. The issue resides in the buildPropFile of the filesystem.go, where an insecure hash usage could be exploited to escalate privileges without the need for user interaction.

Understanding CVE-2023-21084

This section will delve into the details of CVE-2023-21084, explaining what the vulnerability entails and its potential impacts.

What is CVE-2023-21084?

CVE-2023-21084 involves an insecure hash usage in the buildPropFile of the filesystem.go within the Android operating system. This flaw could be leveraged by attackers to escalate privileges locally, requiring System execution privileges but no user interaction for exploitation.

The Impact of CVE-2023-21084

The impact of this vulnerability is significant as it enables attackers to potentially elevate their privileges on the affected system without requiring any user interaction. This could lead to further exploitation and compromise of the system.

Technical Details of CVE-2023-21084

In this section, we will explore the technical aspects of CVE-2023-21084, including vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the buildPropFile of the filesystem.go involves insecure hash usage, posing a risk for local privilege escalation within the Android operating system.

Affected Systems and Versions

The affected system by CVE-2023-21084 is Android, specifically version Android-13. The status of Android-13 is marked as "affected" by this vulnerability.

Exploitation Mechanism

Exploiting this vulnerability requires leveraging the insecure hash usage in the buildPropFile of the filesystem.go, allowing attackers to escalate privileges locally without the need for user interaction.

Mitigation and Prevention

To address CVE-2023-21084 and prevent potential exploitation, it is crucial to implement appropriate mitigation strategies and security measures.

Immediate Steps to Take

Immediate actions to mitigate the risk associated with CVE-2023-21084 include monitoring for any unusual system behavior, implementing least privilege access, and staying informed about security updates.

Long-Term Security Practices

In the long term, practicing robust security measures such as regular security audits, employing secure coding practices, and conducting thorough vulnerability assessments can help enhance the overall security posture of systems.

Patching and Updates

It is essential to stay informed about security patches and updates released by the vendor to address CVE-2023-21084. Applying patches promptly and keeping systems up to date can help mitigate the risks posed by this vulnerability.