CVE-2018-11304 : Exploit Details and Defense Strategies

A buffer overflow vulnerability in Qualcomm components could allow an attacker to trigger an integer overflow in various Android versions.

Understanding CVE-2018-11304

This CVE involves a potential buffer overflow issue in Qualcomm components affecting multiple Android versions.

What is CVE-2018-11304?

The vulnerability arises from a lack of validation for user-provided data in the function msm_adsp_stream_callback_put, leading to a buffer overflow and subsequent integer overflow.

The Impact of CVE-2018-11304

The vulnerability affects all Android releases, including Android for MSM, Firefox OS for MSM, and QRD Android, when utilizing the Linux kernel provided by CAF.

Technical Details of CVE-2018-11304

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue stems from a buffer overflow in the msm_adsp_stream_callback_put function due to inadequate validation of user input, resulting in an integer overflow.

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 an attacker providing malicious data to trigger the buffer overflow and subsequent integer overflow.

Mitigation and Prevention

To address CVE-2018-11304, follow these mitigation strategies:

Immediate Steps to Take

Apply security patches provided by Qualcomm or the respective vendors promptly.
Implement strict input validation mechanisms to prevent buffer overflows.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security audits and code reviews to identify and rectify potential security flaws.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm and relevant vendors.