CVE-2020-0449 : Exploit Details and Defense Strategies
Learn about CVE-2020-0449, a critical Android Bluetooth server vulnerability that could lead to remote code execution. Find mitigation strategies and preventative measures here.
Android Bluetooth Server Remote Code Execution Vulnerability
Understanding CVE-2020-0449
This CVE describes a vulnerability in the Android Bluetooth server that could allow remote code execution without additional privileges, requiring user interaction.
What is CVE-2020-0449?
The vulnerability lies in btm_sec_disconnected of btm_sec.cc, potentially leading to memory corruption due to a use after free, enabling remote code execution.
The Impact of CVE-2020-0449
The exploitation of this vulnerability could result in remote code execution within the Bluetooth server, posing a serious security risk.
Technical Details of CVE-2020-0449
The technical aspects of this CVE are as follows:
Vulnerability Description
- Memory corruption due to a use after free in btm_sec_disconnected
- Enables remote code execution without additional privileges
Affected Systems and Versions
- Product: Android
- Versions Affected: Android-9, Android-10, Android-11, Android-8.0, Android-8.1
Exploitation Mechanism
- Requires user interaction for exploitation
Mitigation and Prevention
Protect your systems from CVE-2020-0449 with the following strategies:
Immediate Steps to Take
- Apply patches from the vendor as soon as they are available
- Monitor for any unusual activities on Bluetooth services
Long-Term Security Practices
- Regularly update your Android devices to the latest versions
- Implement secure coding practices to prevent memory-related vulnerabilities
Patching and Updates
- Stay informed about security advisories from Android
- Keep all Bluetooth-related software up to date to prevent exploitation