CVE-2020-27040 : What You Need to Know
Learn about CVE-2020-27040, a vulnerability in Android NFC server that could lead to local information disclosure. Find out the impact, affected systems, exploitation details, and mitigation steps.
Android NFC Server Vulnerability
Understanding CVE-2020-27040
What is CVE-2020-27040?
CVE-2020-27040 is a vulnerability in the Android NFC server that could potentially lead to local information disclosure due to an out-of-bounds read issue.
The Impact of CVE-2020-27040
This vulnerability could allow an attacker to access sensitive information on the NFC server without requiring user interaction, posing a risk of information disclosure.
Technical Details of CVE-2020-27040
Vulnerability Description
The vulnerability exists in phNxpNciHal_core_initialized of phNxpNciHal.cc, where a missing bounds check could result in an out-of-bounds read, leading to potential information disclosure.
Affected Systems and Versions
- Product: Android
- Versions: Android-11
Exploitation Mechanism
The vulnerability requires no user interaction and could be exploited by an attacker with system execution privileges.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor for any unusual activities related to NFC services.
Long-Term Security Practices
- Regularly update and patch all software and firmware to mitigate potential vulnerabilities.
- Implement network segmentation to limit the impact of any successful exploitation.
Patching and Updates
Ensure that the affected systems are updated with the latest security patches to address the CVE-2020-27040 vulnerability.