CVE-2018-9361 Explained : Impact and Mitigation

Android versions 6.0 to 8.1 are affected by a vulnerability in the process_l2cap_cmd function, potentially leading to remote information disclosure without user interaction.

Understanding CVE-2018-9361

This CVE involves an out-of-bounds read issue in the l2c_main.cc file of Android versions 6.0 to 8.1.

What is CVE-2018-9361?

The vulnerability in the process_l2cap_cmd function lacks a proper bounds check, allowing unauthorized access to memory and disclosure of remote information without additional execution privileges.

The Impact of CVE-2018-9361

Exploiting this vulnerability does not require any user interaction, making it a significant threat to the confidentiality of remote information.

Technical Details of CVE-2018-9361

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The issue lies in the process_l2cap_cmd function in l2c_main.cc, where a missing bounds check can lead to an out-of-bounds read.

Affected Systems and Versions

Product: Android
Versions: Android-6.0, Android-6.0.1, Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1

Exploitation Mechanism

Attackers can exploit this vulnerability to read data out of its designated memory, potentially leading to the disclosure of remote information.

Mitigation and Prevention

To address CVE-2018-9361, consider the following steps:

Immediate Steps to Take

Apply security patches provided by Google for the affected Android versions.
Monitor official security bulletins for updates and advisories.

Long-Term Security Practices

Regularly update Android devices to the latest software versions.
Implement network security measures to detect and prevent unauthorized access.

Patching and Updates

Stay informed about security updates from Google and apply them promptly to mitigate the risk of exploitation.