CVE-2019-2136 Explained : Impact and Mitigation
Learn about CVE-2019-2136, a vulnerability in Android OS affecting versions 7.0 to 9. Understand the impact, technical details, and mitigation steps to secure affected systems.
Android OS vulnerability in Status::readFromParcel
Understanding CVE-2019-2136
This CVE involves a potential vulnerability in the Status::readFromParcel function in the file Status.cpp within the Android operating system.
What is CVE-2019-2136?
The vulnerability in Status::readFromParcel could allow an attacker to read out-of-bounds data, potentially leading to the disclosure of local information without needing additional execution privileges. Exploitation of this vulnerability does not require any user interaction.
The Impact of CVE-2019-2136
The vulnerability could result in information disclosure on affected Android devices running specific versions.
Technical Details of CVE-2019-2136
The technical details of this CVE are as follows:
Vulnerability Description
The vulnerability lies in the improper input validation within the Status::readFromParcel function, leading to a possible out-of-bounds read.
Affected Systems and Versions
- Product: Android
- Affected Versions: Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1, Android-9
Exploitation Mechanism
- The vulnerability can be exploited without requiring any user interaction.
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2019-2136:
Immediate Steps to Take
- Apply security patches provided by the Android security bulletin.
- Monitor official sources for updates and advisories.
Long-Term Security Practices
- Regularly update the Android OS to the latest version.
- Implement security best practices to protect against potential vulnerabilities.
- Conduct security assessments and audits periodically.
Patching and Updates
- Stay informed about security bulletins and updates from Android to apply patches promptly.