CVE-2018-9545 : What You Need to Know
Learn about CVE-2018-9545, a vulnerability in Android's BTA_HdRegisterApp function that could allow privilege escalation without user interaction. Find out how to mitigate this issue.
Android BTA_HdRegisterApp Function Vulnerability
Understanding CVE-2018-9545
What is CVE-2018-9545?
The BTA_HdRegisterApp function in bta_hd_api.cc in Android has a vulnerability that could lead to memory overwrite beyond its bounds. This flaw may allow attackers to elevate privilege levels on the local system without needing additional execution privileges.
The Impact of CVE-2018-9545
This vulnerability could be exploited to escalate privileges on the affected system without user interaction, potentially leading to information disclosure.
Technical Details of CVE-2018-9545
Vulnerability Description
The BTA_HdRegisterApp function in bta_hd_api.cc in Android is susceptible to an out-of-bound write due to a missing bounds check, enabling local privilege escalation without additional execution privileges.
Affected Systems and Versions
- Affected Product: Android
- Affected Version: Android-9
Exploitation Mechanism
The vulnerability could be exploited by malicious actors to escalate privileges on the local system without requiring user interaction.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Google for Android-9.
- Monitor official security bulletins for updates and advisories.
Long-Term Security Practices
- Regularly update Android devices with the latest security patches.
- Implement security best practices to prevent privilege escalation attacks.
Patching and Updates
Google has released security updates addressing this vulnerability. Ensure timely installation of these patches to mitigate the risk of exploitation.