CVE-2020-0120 : What You Need to Know

Android-10: Heap Buffer Overflow Privilege Escalation Vulnerability

Understanding CVE-2020-0120

This CVE details a heap buffer overflow vulnerability in Android-10 that could allow an attacker to escalate privileges without the need for additional execution privileges.

What is CVE-2020-0120?

The vulnerability exists in the notifyErrorForPendingRequests function of QCamera3HWI.cpp in Android-10, potentially leading to a local privilege escalation.

The Impact of CVE-2020-0120

If exploited, this vulnerability could enable an attacker to escalate privileges locally on the affected system with no user interaction required.

Technical Details of CVE-2020-0120

The technical information about the vulnerability is as follows:

Vulnerability Description

Out of bounds write in notifyErrorForPendingRequests of QCamera3HWI.cpp
Heap buffer overflow vulnerability
Allows local escalation of privilege

Affected Systems and Versions

Product: Android
Versions impacted: Android-10

Exploitation Mechanism

Attacker exploits the heap buffer overflow in the notifyErrorForPendingRequests function
Results in privilege escalation without extra execution privileges

Mitigation and Prevention

Steps to address and prevent this vulnerability:

Immediate Steps to Take

Apply security patches provided by Android promptly
Monitor for any signs of unauthorized system activity

Long-Term Security Practices

Regularly update and patch systems to prevent vulnerabilities
Implement least privilege access controls to limit potential damage

Patching and Updates

Keep the system up to date with the latest security patches from Android to mitigate the risk of exploitation