CVE-2020-0139 : Exploit Details and Defense Strategies
Learn about CVE-2020-0139 affecting Android-10. Understand the impact, affected versions, exploitation details, and mitigation steps to secure systems.
Android-10 NFC Tag Integer Overflow Vulnerability
Understanding CVE-2020-0139
This CVE involves an out of bounds read vulnerability in Android-10's NDEF_MsgValidate function, potentially leading to local information disclosure.
What is CVE-2020-0139?
- Affects Android-10, requiring system execution privileges for exploitation
- The vulnerability arises from an integer overflow in NDEF_MsgValidate
The Impact of CVE-2020-0139
- Possible local information disclosure if a malformed NFC tag is provided
- No user interaction required for exploitation
Technical Details of CVE-2020-0139
This section provides technical insights into the vulnerability.
Vulnerability Description
- Out of bounds read due to an integer overflow in NDEF_MsgValidate
- Could result in local information disclosure
Affected Systems and Versions
- Product: Android
- Versions: Android-10
Exploitation Mechanism
- Requires system execution privileges
- No user interaction needed for exploitation
Mitigation and Prevention
Learn how to protect systems from this vulnerability.
Immediate Steps to Take
- Apply relevant security patches
- Monitor for any unusual NFC tag activity
Long-Term Security Practices
- Regularly update system and firmware
- Implement NFC tag scanning precautions
Patching and Updates
- Stay informed about security bulletins and updates