CVE-2020-27033 : Security Advisory and Response
Learn about CVE-2020-27033, a vulnerability in Android NFC module allowing local information disclosure. Find out affected systems, exploitation details, and mitigation steps.
Android NFC Module Out of Bounds Read Vulnerability
Understanding CVE-2020-27033
What is CVE-2020-27033?
CVE-2020-27033 is a vulnerability in the Android NFC module that could potentially lead to local information disclosure.
The Impact of CVE-2020-27033
The vulnerability could allow an attacker to perform an out of bounds read, leading to local information disclosure. Exploitation requires system execution privileges without the need for user interaction.
Technical Details of CVE-2020-27033
Vulnerability Description
The issue exists in nfc_ncif_proc_get_routing of nfc_ncif.cc, where a missing bounds check can trigger an out of bounds read.
Affected Systems and Versions
- Product: Android
- Versions Affected: Android-11
Exploitation Mechanism
The vulnerability can be exploited to achieve local information disclosure without requiring user interaction.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor official sources for updates and advisories.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Implement strict access controls and permissions.
- Conduct regular security audits and assessments.
Patching and Updates
It is crucial to install the latest security updates and patches to mitigate the risk of exploitation.