CVE-2018-9583 : Security Advisory and Response

A potential vulnerability was found in the bta_ag_parse_cmer function of the bta_ag_cmd.cc file in various versions of Android, including Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1, and Android-9. The vulnerability arises from the absence of a bounds check, which could result in an out-of-bounds write. Adversaries may exploit this issue to achieve remote code execution in the bluetooth server, without requiring any additional execution privileges. Notably, user interaction is not necessary for the exploitation of this vulnerability. The vulnerability has been assigned the Android ID A-112860487.

Understanding CVE-2018-9583

This section provides insights into the nature and impact of the CVE-2018-9583 vulnerability.

What is CVE-2018-9583?

CVE-2018-9583 is a vulnerability found in various versions of Android that could lead to remote code execution in the bluetooth server.

The Impact of CVE-2018-9583

The vulnerability could allow attackers to execute code remotely in the bluetooth server without requiring additional privileges, posing a significant security risk.

Technical Details of CVE-2018-9583

This section delves into the technical aspects of the CVE-2018-9583 vulnerability.

Vulnerability Description

The vulnerability stems from a missing bounds check in the bta_ag_parse_cmer function, potentially leading to an out-of-bounds write.

Affected Systems and Versions

Product: Android
Versions Affected: Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1, Android-9

Exploitation Mechanism

Attackers can exploit the absence of bounds checking to achieve remote code execution in the bluetooth server.

Mitigation and Prevention

In this section, you will find recommendations to mitigate the CVE-2018-9583 vulnerability.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor vendor security bulletins for updates and advisories.
Disable Bluetooth when not in use to reduce the attack surface.

Long-Term Security Practices

Regularly update and patch all software and firmware on affected systems.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Android for the affected versions.