CVE-2018-11275 : What You Need to Know

Information leakage occurs in various Android releases provided by Qualcomm and running on the Linux kernel when flashing an image using FastbootLib.

Understanding CVE-2018-11275

Information Exposure in Boot is the primary issue in this CVE.

What is CVE-2018-11275?

This CVE involves information leakage in Android releases like Android for MSM, Firefox OS for MSM, QRD Android, provided by Qualcomm, when flashing an image using FastbootLib.

The Impact of CVE-2018-11275

The vulnerability allows unauthorized access to sensitive information during the image flashing process, potentially leading to data exposure.

Technical Details of CVE-2018-11275

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises when flashing an image using FastbootLib on Android releases from CAF that are not evenly divisible by the block size, causing information leakage.

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 occurs during the image flashing process using FastbootLib when the image size is not divisible by the block size, leading to information exposure.

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of this vulnerability is crucial.

Immediate Steps to Take

Apply patches provided by Qualcomm promptly.
Ensure images flashed are of appropriate size to avoid information leakage.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Implement secure flashing procedures to prevent unauthorized access.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm.
Follow best practices for secure image flashing processes.