CVE-2021-0375 : What You Need to Know
Learn about CVE-2021-0375, an Android-11 vulnerability allowing local privilege escalation without user interaction. Find out the impact, affected systems, and mitigation steps.
Android-11 allows a local attacker to escalate privileges by leveraging an insecure default value in onPackageModified of VoiceInteractionManagerService.java.
Understanding CVE-2021-0375
This CVE involves an elevation of privilege vulnerability in Android-11, which can be exploited locally with no additional execution privileges required.
What is CVE-2021-0375?
A flaw in onPackageModified of VoiceInteractionManagerService.java in Android-11 allows attackers to change default applications insecurely, leading to local privilege escalation without user interaction.
The Impact of CVE-2021-0375
The vulnerability could be exploited by a local attacker to gain escalated privileges on the affected Android-11 device.
Technical Details of CVE-2021-0375
This section covers the specifics of the vulnerability.
Vulnerability Description
The insecure default value in onPackageModified of VoiceInteractionManagerService.java enables privilege escalation without additional execution privileges.
Affected Systems and Versions
Android-11 is specifically affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability locally without requiring any user interaction.
Mitigation and Prevention
Protecting systems from CVE-2021-0375 requires immediate action and ongoing security practices.
Immediate Steps to Take
Ensure systems running Android-11 are updated with the necessary patches to address this vulnerability.
Long-Term Security Practices
Implement strict security measures such as least privilege access and regular security updates to prevent similar exploits.
Patching and Updates
Regularly check for security updates from Android to patch vulnerabilities like CVE-2021-0375.