CVE-2018-11263 : Security Advisory and Response

Android for MSM, Firefox OS for MSM, QRD Android by Qualcomm, Inc. is affected by an out-of-bounds write vulnerability due to improper validation of array index in WLAN.

Understanding CVE-2018-11263

This CVE involves a vulnerability in the radio_id obtained from the FW in Android releases based on CAF using the Linux kernel.

What is CVE-2018-11263?

The issue arises when the radio_id exceeds the defined maximum value, leading to an out-of-bounds write scenario.

The Impact of CVE-2018-11263

The vulnerability can result in a security breach, allowing unauthorized access to system memory and potentially enabling attackers to execute arbitrary code.

Technical Details of CVE-2018-11263

The following technical aspects are associated with CVE-2018-11263:

Vulnerability Description

The radio_id obtained from the FW in Android releases can trigger an out-of-bounds write if it surpasses the maximum value.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the radio_id value to trigger the out-of-bounds write.

Mitigation and Prevention

To address CVE-2018-11263, consider the following steps:

Immediate Steps to Take

Apply the security patch released on August 5, 2018, for Google Pixel and Nexus devices.

Long-Term Security Practices

Regularly update firmware and software to mitigate known vulnerabilities.
Implement network segmentation and access controls to limit potential attack surfaces.

Patching and Updates

Stay informed about security bulletins and patches released by Qualcomm and relevant vendors.