CVE-2018-11984 : Exploit Details and Defense Strategies

Android for MSM, Firefox OS for MSM, and QRD Android by Qualcomm, Inc. are affected by a use after free vulnerability in the DIAG driver utilizing the Linux kernel.

Understanding CVE-2018-11984

This CVE involves a use after free condition and an out-of-bounds access in the DIAG driver used in various Android releases.

What is CVE-2018-11984?

The DIAG driver in CAF, utilized in Android for MSM, Firefox OS for MSM, and QRD Android, may lead to a use after free condition and an out-of-bounds access.

The Impact of CVE-2018-11984

The vulnerability could allow an attacker to exploit the use after free condition and gain unauthorized access to sensitive information or execute arbitrary code.

Technical Details of CVE-2018-11984

The vulnerability details and affected systems.

Vulnerability Description

A use after free condition and an out-of-bounds access can occur in the DIAG driver in Android for MSM, Firefox OS for MSM, and QRD Android.

Affected Systems and Versions

Product: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF using the Linux kernel

Exploitation Mechanism

The vulnerability can be exploited by triggering the use after free condition in the DIAG driver, potentially leading to unauthorized access or code execution.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2018-11984.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor vendor security bulletins for updates and advisories.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update and patch all software and firmware components.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Install the latest security updates and patches from Qualcomm to address the vulnerability and enhance system security.