CVE-2019-2034 : Exploit Details and Defense Strategies
Learn about CVE-2019-2034, a vulnerability in Android's NFC process allowing local privilege escalation. Find out affected versions and mitigation steps.
Android NFC Process Local Privilege Escalation Vulnerability
Understanding CVE-2019-2034
What is CVE-2019-2034?
CVE-2019-2034 is a vulnerability in the rw_i93_sm_read_ndef function in rw_i93.cc in Android. It is caused by an integer overflow, potentially leading to an out-of-bounds write. The vulnerability could be exploited to escalate privileges locally in the NFC process without requiring additional execution privileges.
The Impact of CVE-2019-2034
This vulnerability could result in a local escalation of privilege within the NFC process on affected Android versions.
Technical Details of CVE-2019-2034
Vulnerability Description
The vulnerability in rw_i93_sm_read_ndef function in rw_i93.cc is due to an integer overflow, allowing for potential out-of-bounds write.
Affected Systems and Versions
- Product: Android
- Versions Affected: Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1, Android-9
Exploitation Mechanism
- Exploiting this vulnerability requires user interaction.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Android promptly.
- Avoid interacting with potentially malicious NFC tags or devices.
Long-Term Security Practices
- Regularly update Android devices to the latest software versions.
- Exercise caution when interacting with NFC-enabled devices.
Patching and Updates
- Stay informed about security bulletins and updates from Android to address vulnerabilities promptly.