CVE-2018-11895 : What You Need to Know

Android for MSM, Firefox OS for MSM, QRD Android by Qualcomm, Inc. are affected by an improper length check validation vulnerability in the WLAN function, potentially leading to a buffer overflow.

Understanding CVE-2018-11895

This CVE involves an improper length check validation issue in the WLAN function of various Android releases, including Android for MSM, Firefox OS for MSM, and QRD Android, originating from the Code Aurora Forum (CAF) and using the Linux kernel. The vulnerability may allow the driver to write default RSN capabilities to unallocated memory.

What is CVE-2018-11895?

The vulnerability in the WLAN function of Android releases from CAF may result in the driver writing default RSN capabilities to memory that is not allocated to the frame.

The Impact of CVE-2018-11895

The vulnerability could potentially lead to a buffer overflow in WLAN, posing a security risk to affected systems.

Technical Details of CVE-2018-11895

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue arises from improper length check validation in the WLAN function, allowing the driver to write default RSN capabilities to unallocated memory.

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 manipulating the WLAN function to write default RSN capabilities to memory not allocated to the frame.

Mitigation and Prevention

Protecting systems from CVE-2018-11895 requires immediate actions and long-term security practices.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing.
Educate users about safe computing practices.
Implement intrusion detection and prevention systems.

Patching and Updates

Check for and apply security patches released by Qualcomm, Inc.
Stay informed about security advisories and updates from the vendor.